187 results
ST Elevation Myocardial Infarction (STEMI)

Criteria:
• New ST-segment elevation at the J point in 2 contiguous leads
Myocardial Infarction (STEMI ... leads other than V2 ... • In leads V2- ... Myocardial #Infarction #STEMI
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
new/old infarct STEMI ... leads, except • V2 ... • DDx: Acute STEMI ... big R or R/S>I STEMI ... depression in V2
De Winter T-Waves on EKG
 - Anterior OMI
 - 2% of left anterior descending occlusions
 -
before or after STEMI ... point usually V2
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
STEMI Equivalents ... • Conventional STEMI ... aVR • Posterior STEMI ... a tall R in V1/V2 ... S ratio > 1 in V2
ECG of a 55-year-old man who presented to the ER with chest pain 
Computer interpretation: “Nonspecific
STD in V2 (posterior ... Cardiology #EKG #STEMI
Myocardial infarction localization. A 12 lead EKG creates a 360 degree view of the electrical activity
V1 & V2 sit over ... Electrocardiogram #STEMI
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Diagnosis Framework STEMI ... anteroseptal leads (V2 ... rSR' in V1 and V2 ... elevation in V1 and V2 ... STElevation #ST #STEMI
Modified Sgarbossa Criteria for diagnosing STEMI in the presence of a LBBB If there is concordant
for diagnosing STEMI ... STD ≥ 1mm in V1, V2
Unstable Angina vs NSTEMI vs STEMI

#differential #Chestpain; #NSTEMI; #STEMI; #Unstableangina; #Angina 

Image Source: De Virgilio, C.,
Unstable Angina vs NSTEMI ... vs STEMI #differential ... #Chestpain; #NSTEMI ... ; #STEMI; #Unstableangina
Acute Coronary Syndrome (ACS) Definitions - Stable Angina, Unstable Angina, NSTEMI, STEMI
1 STABLE ANGINA - Angina
Unstable Angina, NSTEMI ... , STEMI 1 STABLE ... - During an NSTEMI ... myocardium. 4 STEMI ... - A STEMI is