aCT	Acute Pathological CT Findings
ALT	Alanine Aminotransferase
BUN	Blood Urea Nitrogen
CAD	coronary artery disease
CHF	congestive heart failure
CI	confidence interval
CT	computed tomography
CVA	cerebrovascular accident
CVD	cardiovascular disease
DM	diabetes mellitus
ED	emergency department
GCS	Glasgow Coma Scale
GGT	Gamma-Glutamyl Transferase
GIS	gastrointestinal system
GUS	genitourinary system
HT	hypertension
ICU	Intensive Care Unit
IQR	interquartile ranges
nCT	Non-Acute/Negative CT Findings
OR	odds ratio
SBP	systolic blood pressure
SD	standard deviation
SpO2	peripheral oxygen saturation
TIA	transient ischemic attack.