Table 4. Description of low-risk patients by prehospital modified HEART Pathway who had 30-day MACE.

Age	Sex	Race/Ethnicity	Comorbidities	EMS HEAR Score (History value)	i-STAT cTn (0–0.08 ng/mL)	Initial Hospital Lab cTn ng/mL (ref range)	Peak Hospital Lab cTn ng/mL (ref range)	Event	Notes
54 yr	M	Latino	Known CAD	3 (2)	0.02	0.051 (0–0.025)	0.053 (0–0.025)	Type II NSTEMI	Cocaine abuse
43 yr	F	AA	HTN, HCL, DM, Obesity	2(0)	0.01	0.033 (0–0.025)	0.053 (0–0.025)	Type II NSTEMI	Hypoxic asthma exacerbation with demand ischemia
42 yr	M	AA	Smoker, HTN	2(1)	0.05	0.058 (0–0.040)	0.109 (0–0.040)	Type II NSTEMI	Hypertensive urgency with demand ischemia
45 yr	F	White	HTN	1(0)	0	0.044 (0–0.025)	0.045 (0–0.025)	Type II NSTEMI	Hypertension with demand ischemia
53 yr	M	AA	HTN, known CAD	3(0)	0	0.037 (0–0.025)	0.044 (0–0.025)	Type II NSTEMI	Hypertensive heart and kidney disease, demand ischemia
35 yr	M	AA	Smoker, HIV	2(1)	0	0.045 (0–0.040)	0.045 (0–0.040)	Type II NSTEMI	Methamphetamine abuse
53 yr	M	White	Smoker, DM, HTN, HCL, Obesity	3(0)	0	0.075 (0–0.040)	0.086 (0–0.040)	Type I NSTEMI	Stent placed in left circumflex for 90% stenosis

EMS—Emergency Medicine Services, POC—point-of-care, HEAR—History, ECG, Age, Risk factors, MACE—major adverse cardiac events, M—male; F—female; AA—African American; CAD—Coronary Artery Disease; HTN—Hypertension; HCL—Hypercholesterolemia; DM—Diabetes Mellitus; cath—catheterization; HIV—Human Immunodeficiency Virus Infection; NSTEMI—non-ST Elevation Myocardial Infarction; CMR—Cardiovascular Magnetic Resonance imaging.