MRI (Magnetic Resonance Imaging) Flashcards
1
Q
What is MRI ?
A
A strong magnet, radio waves and computer system to form pictures or images of the body
- 細胞主要成份是水
2
Q
What are the items that may interfere MRI ?
A
- Cardiac Pacemaker / Defibrillator / Aneurysm Clip / Prosthetic Heart Valve / Neurostimulator / Shunts / Cochlear Implants / Hearing Aid / Shrapnel / Implanted Perfusion Pump / Metal Device in Bone or Joint / Ocular Metal Foreign Body / Wire Sutures
- keys, jewellery, watches, pins, eyeglasses and hearing aids, credit card
- Pregnant or maybe pregnant
3
Q
What are the characteristics?
A
- may inject contrast = show better image
- patient has to wear ear plugs
- time : 1 to 2 hours