MI Size vs Tpn at 72-96 hrs-1

	Estimated Size Of ST-Elevation Myocardial Infarction Based On Troponin Value Drawn 72 to 96 Hours After Onset Of Chest Pain
	Clinical Factors	Enter Values Here
	Patient Height In Meters
	Patient Weight In Kilograms
	Hospital Cut-Off Value For Normal Troponin (ng/ml)
	Troponin Value Drawn 72 to 96 Hours After Event (ng/ml)
	Estimated Size Of ST-Elevation MI (gm)*
	% Of LV Lost In The Current MI**
	Steen H, et al. JACC 48:2192, 2006.
	Data Source: 23 patients, troponin elevation at 72-96 hours vs MRI infarct sizing.
	*Standard Error = +/- 3.2 gm
	**This estimate assumes that LVH is not present.
	Web calculator design and HTML transfer by Dr. John Coyle, 2007.