MRI
Magnetic Resonance Imagery
MRSA
Methicillin-Resistant Staphylococcus Aureus
MS
Multiple Sclerosis
MVA
Motor Vehicle Accident
MVC
Motor Vehicle Collision
Na+
Sodium
NaCl
Sodium Chloride
NIDDM
Non-Insulin Dependent Diabetic
NKA
No Known Allergies
NKDA
No Known Drug Allergies
NL
Normal
NS
Normal Saline
NSR
Normal Sinus Rhythm
NVD
Nausea, Vomiting, Diarrhea
OE
Otitis Externa
OM
Otitis Media