Contraindication to MRI\r\n* Cardiac pacemaker or defibrillator\r\n* Surgically implanted electrical devices such as spinal stimulation devices or intracranial stimulation devices, cochlear implants, the presence of metallic foreign bodies in the orbits, and incompatible old mechanical heart valves and aneurysm clips
Have septal aneurysm or other heart aneurysm.
Patients with pacemakers, aneurysm clips, neurostimulators, cochlear implants, metal in ocular structures, history of being a steel worker, or other incompatible implants which makes MRI safety an issue are excluded
Patients with pacemakers, non-titanium aneurysm clips, neurostimulators, cochlear implants, non-titanium metal in ocular structures, history of being a steel worker, or other incompatible implants which makes MRI safety an issue are excluded
Patients who are not suitable to undergo MRI or use gadolinium contrast due to:\r\n* Claustrophobia\r\n* Presence of metallic objects or implanted medical devices in body (i.e. cardiac pacemaker, aneurysm clips, surgical clips, prostheses, artificial hearts, valves with steel parts, metal fragments, shrapnel, tattoos near the eye, or steel implants)\r\n* Sickle cell disease\r\n* Renal failure\r\n* Reduced renal function, as determined by creatinine clearance < 30 mL/min based on a serum creatinine level obtained within 28 days prior to registration
Ferromagnetic implants such as aneurysm clips, surgical clips, prostheses, artificial heart, valves with steel parts, metal fragments, shrapnel, bullets, tattoos near the eye, or steel implants
Ferromagnetic objects such as jewelry or metal clips in clothing
For patients with localized prostate cancer contraindication to MRI:\r\n* Patients weighing > 136 kilograms (weight limit for the scanner tables)\r\n* Allergy to MR contrast agent\r\n* Patients with pacemakers, cerebral aneurysm clips, shrapnel injury or implantable electronic devices
Patients unable to undergo MRI exams (i.e. patients with non-compatible devices such as cardiac pacemakers, other implanted electronic devices, metallic prostheses, or ferromagnetic prostheses [e.g. pins in artificial joints and surgical pins/clips], or unable to receive gadolinium for MRI, as per the standard UM Department of Radiology MRI screening criteria)
Patients who cannot undergo magnetic resonance imaging (MRI) or single photon emission computed tomography (SPECT) for any reason including due to obesity or to having certain metal in their bodies (specifically pacemakers, infusion pumps, metal aneurysm clips, metal prostheses, joints, rods, or plates)
Metal in the body (except dental fillings) e.g., pacemaker, infusion pump, metal aneurysm clip, metal prosthesis, joint, rod or plate.
MRI MONITORING SUB-STUDY: Implanted prosthetic heart valves, pacemaker, neuro-stimulation devices, surgical clips (hemostatic clips) or other metallic implants
Patients with one or more of the following contraindications for MRI and/or MRI contrast agents such as:\r\n* Severe claustrophobia\r\n* Aversion to MRI\r\n* Metallic fragments, clips or devices in the brain, eye, and/or spinal canal in which movement in the bore of the magnet may damage sensitive tissues, unless deemed to be safe by the manufacturer; note: metallic fragments, clips or devices outside the brain, eye, and/or spinal canal may be safe if deemed by the manufacturer; caution is needed to determine safety for each patient that may have the following conditions: cardiac pacemaker; heart valve replacement, venous umbrella, being a sheet-metal worker or welder; aneurysm surgery, renal or aortic clips, prosthetic devices such as middle ear, eye, joint, or penile implants, joint replacement, hearing aid, neurostimulator, insulin pump, intrauterine devices (IUD), shunts/stents/metal mesh/coil implants, metal plate/pin/screw/wires, or any other metal implants, and permanent eyeliner and/or eyebrows
Standard contraindications to MRI: for example, MRI non-compatible cardiac pacemakers, intracranial clips, foreign metal objects in the body and others as defined in the University of Texas (UT) Southwestern Institutional MRI Safety Policy
Patients with pacemakers, ferro-magnetic aneurysm clips, metal infusion pumps, metal or shrapnel fragments or certain types of stents
Known contraindication to enhanced MRI and computed tomography (CT), including but not limited to:\r\n* Presence of metal objects within the body such as a cardiac pacemaker, implanted cardiac defibrillator, brain aneurysm clips, cochlear implant, ocular foreign body, or shrapnel\r\n* History of immediate or delayed hypersensitivity reaction or other contraindication to contrast agents including but not limited to gadolinium and iodine
Clips or other metallic implanted objects in the skull or the brain, except shunts.
Intracranial aneurysm clips (except Sugita) or other metallic objects
Presence of metallic objects such as artificial joints, inner ear (cochlear) implants, brain aneurysm clips, pacemakers, and metallic foreign bodies in the eye or other body areas that would prevent use of MRI imaging
Patients whose physical dimensions cannot be accommodated in the MRI scanner or patients with contraindications to MRI imaging such as pacemakers, non-compatible aneurysm clips, shrapnel and other internal ferromagnetic objects
Patients not suitable for cardiac MRI; contraindications include:\r\n* Intracranial metal, pacemakers, defibrillators, functioning neurostimulator devices, or other implanted electronic devices\r\n* Ferromagnetic cerebral aneurysm clips, or other intraorbital/intracranial metal\r\n* Allergy to gadolinium or other severe drug allergies\r\n* Claustrophobia\r\n* Congestive heart failure (New York Heart Association [NYHA] class III or IV)\r\n* Significant valvular disease, or significant pulmonary disease requiring supplemental oxygen therapy
Patients who cannot undergo MRI or single-photon emission computed tomography (SPECT) due to obesity or to having certain metal in their bodies (specifically pacemakers, infusion pumps, metal aneurysm clips, metal prostheses, joints, rods, or plates)
Patients with pacemakers or any metallic objects as exclusion for MRI
Known contraindication to MRI (e.g., severe claustrophobia, intracranial aneurysm clips, intraocular metallic foreign body, cardiac pacemaker); an extensive screening questionnaire will be completed by the subject as part of standard OHSU MRI safety measures
Patients with heart stents or metal implants such as pacemakers, automatic defibrillators, cochlear implants, aneurysm clips, vena cava clips and skull plates (metal implants for orthopedic repair, e.g. pins, clips, plates, cages, joint replacements are allowed)
Patients with heart stents or metal implants such as pacemakers, automatic defibrillators, aneurysm clips, vena cava clips and skull plates; (metal implants for orthopedic repair, e.g. pins, clips, plates, cages, joint replacements are allowed as are central venous access devices)
Conditions that would preclude from successfully scanning subjects in magnetic resonance imaging (MRI):\r\n* Claustrophobia (this would make lying in the scanner very uncomfortable)\r\n* Having a pacemaker, aneurysm clips, neurostimulators, cochlear implants, metal in eyes, steel worker, or other implants\r\n* History of seizures\r\n* History of head injuries resulting in loss of consciousness > 10 minutes
Patients with heart stents or metal implants such as pacemakers, automatic defibrillators, cochlear implants, aneurysm clips, vena cava clips and skull plates; (metal implants for orthopedic repair, e.g. pins, clips, plates, cages, joint replacements are allowed)
EXCLUSION - PATIENT: Presence of MRI unsafe devices or objects which would make having an MRI unsafe, as per institutional clinical protocol. MRI unsafe devices or objects for the purposes of exclusion include but are not limited to certain intracranial aneurysm clips, cardiac pacemaker, and implantable defibrillator devices, metallic heart valve, or coronary artery stents, breast tissue expanders, bio or neurostimulators, pellets and bullets, ocular implants and devices, otologic and cochlear implants; other devices or metallic objects may be deemed unsafe for MRI at the radiologist’s discretion
Participants with intracranial clips, metal implants or external clips within 10 mm of the head
Women with aneurysm clips that don't allow for MRI
Those with ferromagnetic cerebral aneurysm clips or other intraorbital/intracranial metal; pacemakers, defibrillators, functioning neurostimulator devices, non-compatible MRI tissue expanders or breast implants, or other implanted non-compatible MRI devices
CONTROL (HEALTHY) GROUP: Those with ferromagnetic cerebral aneurysm clips or other intraorbital/intracranial metal; pacemakers, defibrillators, functioning neurostimulator devices or other implanted non-compatible MRI devices
Patients with ferromagnetic cerebral aneurysm clips or other intraorbital/intracranial metal; pacemakers, defibrillators, functioning neurostimulator devices or other implanted electronic devices
Risk for hazard due to magnetic fields such as metal in the body surgically or accidentally (e.g., pacemaker, cochlear implants, aneurysm clips, intravascular stents or coils, spinal shunt, injury involving bullets, shrapnel or metal implanted in their body, etc)
Risk for hazard due to magnetic fields such as metal in the body surgically or accidentally (e.g., pacemaker, cochlear implants, aneurysm clips, intravascular stents or coils, spinal shunt, injury involving bullets, shrapnel or metal implanted in their body, etc)
Patients with ferromagnetic cerebral aneurysm clips or other intraorbital/intracranial metal; pacemakers, defibrillators, functioning neurostimulator devices or other implanted electronic devices
Suitable to undergo MRI and receive the contrast agent gadolinium (exclusions follow):\r\n* No history of untreatable claustrophobia\r\n* No presence of metallic objects or implanted medical devices in body (i.e., cardiac pacemaker, aneurysm clips, surgical clips, prostheses, artificial hearts, valves with steel parts, metal fragments, shrapnel, tattoos near the eye, or steel implants)\r\n* No history of sickle cell disease\r\n* No contraindication to intravenous contrast administration\r\n* No known allergy-like reaction to gadolinium or moderate or severe allergic reactions to one or more allergens as defined by the American College of Radiology (ACR); patient may be eligible if willing to undergo pre-treatment as defined by the institution's policy and/or ACR guidance\r\n* No findings consistent with renal failure, as determined by glomerular filtration rate (GFR) < 30\r\nmL/min/1.73 m^2 based on a serum creatinine level obtained within 28 days prior to registration\r\n* Weight lower than that allowable by the MRI table
Presence of non magnetic resonance (MR) compatible metallic objects or metallic objects that, in the opinion of the radiologist, would make MRI a contraindication
Patients with a metal heart valve, surgical clips, a pacemaker or any other indwelling metal device that might interfere with MRI
Patients with a metal heart valve, surgical clips, a pacemaker or any other indwelling metal device that might interfere with MRI
Patients who are not suitable to undergo MRI or PET or use gadolinium contrast due to:\r\n* Claustrophobia\r\n* Presence of metallic objects or implanted medical devices in body (i.e. cardiac pacemaker, aneurysm clips, surgical clips, prostheses, artificial hearts, valves with steel parts, metal fragments, shrapnel, tattoos near the eye, or steel implants); the craniotomy patients will all have titanium but this is MRI compatible\r\n* Sickle cell disease\r\n* Renal failure\r\n* Reduced renal function, as determined by creatinine clearance < 30 mL/min based on a serum creatinine level obtained within 28 days prior to registration
Patients with contra-indications for contrast enhanced magnetic resonance (MR) exam, including:\r\n* Cardiac pacemaker or pacemaker wiring in situ\r\n* Cerebral clips or metal artificial cardiac valves\r\n* Ossicle prosthesis\r\n* Conditions that could produce a dangerous situation in the presence of a strong magnetic field: line metallic implants, shrapnel, inability to lie still, and conditions that can worsen inside confined spaces (severe claustrophobia, psychosis)\r\n* Acute or chronic severe renal disease as determined by glomerular filtration rate (GFR) < 30 ml/min/1.73 m^2\r\n* Pregnancy or breastfeeding
Subjects with any type of pacemaker, cerebral aneurysm clips, shrapnel injury, or other implanted electronic devices or metal not compatible with MRI
Patients who are not suitable to undergo MRI or use gadolinium contrast due to:\r\n* Claustrophobia\r\n* Presence of metallic objects or implanted medical devices in body (i.e. cardiac pacemaker, aneurysm clips, surgical clips, prostheses, artificial hearts, valves with steel parts, metal fragments, shrapnel, tattoos near the eye, or steel implants)\r\n* Sickle cell disease\r\n* Renal failure\r\n* Reduced renal function, as determined by creatinine clearance < 30 mL/min based on a serum creatinine level obtained within 28 days prior to registration
Any contraindication to undergoing MRI (e.g., pacemakers, cochlear implants, shrapnel injuries, or other types of metal or electric devices in the body, severe claustrophobia, cataract surgery with certain ocular implants [the following ocular implant models from Bausch & Lomb are considered unsafe for MRI: intraocular lens, models 12A, 12P, 12S, 24P, 31P, 42P, 61P, 71, 71B, 71M, 71P, 71PC, 71R, 75M, 75P, EXP D])
Pacemakers, electronic stimulation, metallic foreign bodies and devices and/or other conditions that are not MR safe, which include but are not limited to: \r\n* Electronically, magnetically, and mechanically activated implants\r\n* Ferromagnetic or electronically operated active devices · metallic splinters in the eye\r\n* Ferromagnetic hemostatic clips in the central nervous system (CNS) or body\r\n* Cochlear implants\r\n* Other pacemakers\r\n* Insulin pumps and nerve stimulators\r\n* Non-MR safe lead wires · prosthetic heart valves (if dehiscence is suspected)\r\n* Non ferromagnetic stapedial implants\r\n* Pregnancy\r\n* Claustrophobia that does not readily respond to oral medication
No contra-indication to MR including severe claustrophobia, incompatible aneurysm clips or cardiac pacemaker
Contraindication to MRI (i.e. pacemakers, aneurysm clips, or shrapnel fragments)
Have non-MRI compatible metallic objects on/in body
Presence of MRI-incompatible metallic objects or implanted medical devices in the body (including but not limited to: non-MRI compatible metal objects, cardiac pacemaker, aneurysm clips, artificial heart valves with steel parts, metal fragments in the eye or central nervous system)
Patients with ferromagnetic or otherwise non-MRI compatible aneurysm clips
Patients unwilling or unable to undergo MR imaging, including patients with contraindications to MRI, such as cardiac pacemakers or non-compatible intracranial vascular clips
Patients unwilling or unable to undergo MR imaging, including patients with contraindications to MRI, such as cardiac pacemakers or non-compatible intracranial vascular clips
Patients with a pacemaker, stainless steel aneurysm clip or any other magnetic resonance (MR) contraindicated implant or foreign body would warrant exclusion from this study; pacemakers may be reprogrammed or turned off by the strong MRI magnetic field; radio-frequency (RF) fields in MR can also cause severe heating of pacemaker lead tips. Steel aneurysm clips are prone to torque in the strong MR field which can displace the clips and may damage the vessel, resulting in hemorrhage, and/or death
Patients who are no suitable to undergo MRI or use gadolinium contrast due to:\r\n* Claustrophobia\r\n* Presence of metallic objects or implanted medical devices in body (i.e. cardiac pacemaker, aneurysm clips, surgical clips, prostheses, artificial hearts, valves with steel parts, metal fragments, shrapnel, tattoos near the eye, or steel implants)\r\n* Sickle cell disease\r\n* Renal failure\r\n* Reduced renal function, as determined by creatinine clearance < 30 mL/min based on a serum creatinine level obtained within 28 days prior to registration
Have any contra-indications to magnetic resonance (MR) examination such as allergy to MRI contrast media (gadolinium-DTPA [gadopentetate dimeglumine]), metallic foreign objects within the body, orbital metal, cerebral aneurysm clip, pacemaker, defibrillator, neurostimulator, any other medical metallic implant, claustrophobia, inability to lie flat for 30 minutes, and weight exceeding 300 pounds; if an MR contraindication is discovered during scanning that was overlooked during the screening process, the procedure will be stopped immediately and the subject will be removed from the scanner
Any condition for which a MRI procedure is contraindicated including presence of metallic material in the body, such as pacemakers, non-MRI compatible surgical clips, shrapnel; pregnant or breast-feeding women are excluded
Patients with metal devices in the body including, but not limited to metallic joint prostheses, artificial heart valves, pacemakers, and cochlear implants
Have implanted prosthetic heart valves, pacemaker, neuro-stimulation devices, surgical clips (hemostatic clips) or other metallic implants
Subjects who are unable to tolerate or are not eligible for MR imaging (claustrophobia, metal implantable devices such as pacemaker, aneurysm clips, etc)
Patients unwilling or unable to undergo MR imaging, including patients with contra-indications to MRI, such as cardiac pacemakers or non-compatible intracranial vascular clips
Contraindication to MRI:\r\n* Patients weighing more than weight limit for the scanner tables\r\n* Allergy to magnetic resonance (MR) contrast agent\r\n* Patients with pacemakers, cerebral aneurysm clips, shrapnel injury or implantable electronic device
Standard MRI exclusion criteria will also be applied, including pacemakers and metal clips located in the patient
Contraindication to MRI scanning, such as surgery that involves metal clips or wires or metal prostheses which might be expected to cause tissue damage or produce image artifacts
Patients with ferromagnetic or otherwise non-MRI compatible aneurysm clips
Contra-indications to MRI and/or PET/MRI:\r\n* Electrical implants such as cardiac pacemakers or perfusion pumps\r\n* Ferromagnetic implants such as aneurysm clips, surgical clips, prostheses, artificial hearts, valves with steel parts, metal fragments, shrapnel, tattoos near the eye, or steel implants\r\n* Ferromagnetic objects such as jewelry or metal clips in clothing\r\n* Pregnant subjects\r\n* Pre-existing medical conditions including a likelihood of developing seizures or claustrophobic reactions
Patients unable to tolerate MRI (patients with pacemakers, cerebral aneurysm clips, shrapnel injuries, or other implantable electronic devices or metal not compatible with MRI)
Patients unable to undergo magnetic resonance (MR) exams are not eligible (i.e. patients with non?compatible devices such as cardiac pacemakers, other implanted electronic devices, metallic prostheses, or ferromagnetic prostheses, pins in artificial joints and surgical pins/clips)
Ferromagnetic cerebral aneurysm clips, or other intraorbital/intracranial metal
Subjects that have vascular or aneurysm clips, or metallic staples from a surgical procedure
Aneurysmal clips
Any patient with a metallic MRI incompatible implant, including cardiac pacemakers, neural pacemakers, aneurysmal clips, shrapnel, cochlear implants or ferrous surgical clips
Patients with ferromagnetic or otherwise non-MRI compatible aneurysm clips
surgical clips or other metallic implants;
Ferromagnetic implants such as aneurysm clips, surgical clips, prostheses, artificial hearts, valves with steel parts, metal fragments, shrapnel, tattoos near the eye, or steel implants ferromagnetic objects such as jewelry or metal clips in clothing
Non-removable hearing aid or dentures, metal intrauterine device (IUD), surgical aneurysm clips, cardiac pacemaker, prosthetic heart valve, neurostimulator, implanted pumps, cochlear implants, metal rods, plates or screws, surgery leaving implanted materials, metal injury to eye, metallic tattoos anywhere on the body, tattoos near the eye and transdermal patches
Participants with contraindications to MRI (i.e., implanted metal including pacemakers, cerebral spinal fluid shunts, aneurysm clips, artificial heart valves, ear implants or metal/foreign objects in the eyes and those with a history of claustrophobia), injuries to the eyes with metal without X-ray documentation that metal was removed
Ferromagnetic implants such as aneurysm clips, surgical clips, prostheses, artificial heart, valves with steel parts, metal fragments, shrapnel, bullets, tattoos near the eye, or steel implants
Ferromagnetic objects such as jewelry or metal clips in clothing
Patients who are claustrophobic or have other contraindications to MRI, such as implanted pacemaker device vascular clips, surgical clips, prosthetic valves, pacemakers, otologic implants
Those with contraindications for MRI such as ferromagnetic cerebral aneurysm clips or other intracranial metal, pacemakers, defibrillators, functioning neurostimulator devices or other implanted electronic devices
Normal MRI exclusion criteria will apply, including those on the following list; a standard MRI safety form will be used to identify potential conditions warranting exclusion\r\n* Electrical implants such as cardiac pacemakers or perfusion pumps\r\n* Ferromagnetic implants such as aneurysm clips, surgical clips, prostheses, artificial heart, valves with steel parts, metal fragments, shrapnel, bullets, tattoos near the eye, or steel implants\r\n* Ferromagnetic objects such as jewelry or metal clips in clothing\r\n* Claustrophobia\r\n* History of seizures\r\n* Diabetes
Patients who have presence of a known contraindication to MRI\r\n* Pacemaker\r\n* Aneurysmal clips\r\n* Metal implants in field of view \r\n* Pregnant\r\n* Age and mental status wherein he/she is unable to cooperate for MRI study
Any condition for which a MRI procedure is contraindicated including presence of metallic material in the body, such as pacemakers, non- MRI compatible surgical clips, shrapnel, etc
The standard exclusion criteria for MRI exams will apply which include patients with pacemakers, non-compatible intra-cranial vascular clips, inner ear implants, and severe claustrophobia
All patients who are contraindicated for MR imaging in general; contraindications include:\r\n* Electrical implants such as cardiac pacemakers or perfusion pumps\r\n* Ferromagnetic implants such as aneurysm clips, surgical clips, prostheses, artificial hearts, valves with steel parts, metal fragments, shrapnel, tattoos near the eye, or steel implants\r\n* Ferromagnetic objects such as jewelry or metal clips in clothing\r\n* Pregnant subjects\r\n* Pre-existing medical conditions including a likelihood of developing seizures or claustrophobic reactions, and any greater than normal potential for cardiac arrest.
Inability to undergo MRI with gadolinium contrast or PET imaging due to:\r\n* Claustrophobia\r\n* Presence of metallic objects or implanted medical devices in body (i.e. cardiac pacemaker, aneurysm clips, surgical clips, prostheses, artificial hearts, valves with steel parts, metal fragments, shrapnel, tattoos near the eye, or steel implants)\r\n* Sickle cell disease\r\n* Renal failure\r\n* Reduced renal function, as determined by creatinine clearance < 30 mL/min based on a serum creatinine level obtained within 28 days prior to registration
Have permanently implanted prosthetic heart valves, pacemaker, neuro-stimulation devices, surgical clips (hemostatic clips) or other metallic implants
Patients with known contraindications for whole body MR imaging (e.g., pacemakers, recent surgery, brain vascular clips, etc.) will be excluded from the study
Not suitable to undergo MRI or gadolinium-based contrast agent because of:            \r\n* Severe claustrophobia not relieved by oral anxiolytics per institutional standard practice\r\n* Presence of MRI-incompatible metallic objects or implanted medical devices in body (including, but not limited to: non-MRI compatible metal objects, cardiac pacemaker, aneurysm clips, artificial heart valves with steel parts, or metal fragments in the eye or central nervous system)\r\n* Renal failure, as determined by glomerular filtration rate (GFR) < 30 mL/min/1.73 m^2 based on a serum creatinine level obtained within 48 hours prior to enrollment\r\n* Weight greater than that allowable by the MRI table, per local institutional practice
Contraindications to MRI\r\n* Patients with ferromagnetic or otherwise non-MRI compatible aneurysm clips\r\n* The presence of an implanted pacemaker or implanted defibrillator device\r\n* Patients with contraindications for MRI due to embedded foreign metallic objects: bullets, shrapnel, metalwork fragments, or other metallic material adds unnecessary risk to the patient\r\n* Implanted medical device not described above that is not MRI-compatible\r\n* Known history of claustrophobia
Patients who are contraindicated for MRI or gadolinium contrast agents due to:\r\n* Claustrophobia\r\n* Presence of metallic objects or implanted medical devices in body (i.e., cardiac pacemaker, aneurysm clips, surgical clips, prostheses, skin staples, implanted prostheses, artificial heart valves with steel parts, metal fragments, shrapnel, or other metal implants that would contraindicate MRI)\r\n* Sickle cell disease\r\n* Renal failure with estimated GFR < 30 mL/min/1.73 m^2 based upon serum creatinine\r\n* Weight greater than 350 pounds (lbs) (the weight limit for the MRI)
Subjects who have any type of biomedical implant, device and/or ferromagnetic material that can be displaced, perturbed, or otherwise malfunction due to mechanical, electronic, or magnetic means; these items may include:\r\n* Metallic fragments or shrapnel (such as from war wounds)\r\n* Cerebral aneurysm clips, biopsy marker clips\r\n* Vascular access ports (as are used with intravenous chemotherapy)\r\n* Cochlear implants, pacemakers, neurostimulators, biostimulators, and electronic infusion pumps\r\n**Implanted materials other than those verified as being rated “magnetic resonance [MR] Safe” or “MR Conditional 6” will not be allowed on study
Patients who have cerebral aneurysm clips
Subjects who have cerebral aneurysm clips
Subjects with pacemakers, cerebral aneurysm clips, shrapnel injury, or other implanted electronic devices or metal not compatible with MRI
No contra-indication to MR including severe claustrophobia, incompatible aneurysm clips or cardiac pacemaker
Ferromagnetic implants such as aneurysm clips, surgical clips, prostheses, artificial heart, valves with steel parts, metal fragments, shrapnel, bullets, tattoos near the eye, or steel implants
Presence of pacemakers, aneurysm clips, artificial heart valves, ear implants, metal fragments or foreign objects in the eyes, skin of body that would preclude obtaining an MRI as part of the initial study evaluation
Women with MRI/magnetic resonance angiogram (MRA) contraindications such as a cardiac pacemaker, aneurysm clip, cochlear implants, and metal in the eyes
Contraindications for MRI (such as claustrophobia, pacemaker, non MR-compatible artificial heart valves, cochlear implants, surgical clips in the brain, metal fragments in eye)
Braces or metal heart valves that may interfere with MRI, surgical clips, a pacemaker, piercings that cannot be removed, or any other indwelling metal device that might interfere with MRI