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ST Elevation Myocardial Infarction (STEMI)

Criteria:
• New ST-segment elevation at the J point in 2 contiguous leads
ST Elevation Myocardial ... Infarction (STEMI ... leads other than V2 ... • In leads V2- ... #Infarction #STEMI
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
new/old infarct STEMI ... 0.5mm downgoing ST ... line; upsloping ST ... have no pain - LAD ... avR - proximal LAD
Causes of ST Elevation in ECG

#STElevation #STEMI #ECG #EKG #Electrocardiogram #Causes #Differential #ABCHELP #Mnemonic
Causes of ST Elevation ... in ECG #STElevation ... #STEMI #ECG #EKG
Sgarbossa Criteria A - Concordant ST segment elevation of >1m, in any lead | Sgarbossa Criteria
A - Concordant ST ... segment elevation ... of >1m, in any lead ... 1mm in leads V1, V2 ... segment elevation
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
STEMI Equivalents ... • Conventional STEMI ... • Posterior STEMI ... a tall R in V1/V2 ... S ratio > 1 in V2
ST segment elevation in acute myocardial ischemia

ST segment elevations with straight (horizontal, upsloping or downsloping) or
ST segment elevation ... segment elevations ... elevations, on ... elevations are ... Cardiology #ECG #EKG #STEMI
Here’s an ECG of a patient with 100% Acute LAD Occlusion

Remember that RBBB normally has ST
with 100% Acute LAD ... So ANY ST Elevation ... have ’relative elevation ... STEMI Criteria misses ... @EM_RESUS #LAD
De Winter T Wave ECG Pattern 
STEMI Equivalent - Left anterior descending (LAD) occlusion 

1) Upsloping
ECG Pattern STEMI ... anterior descending (LAD ... 1) Upsloping ST ... elevation in aVR ... (>= 1 mm) 2) ST
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Diagnosis Framework STEMI ... rSR' in V1 and V2 ... and V2 typically ... ventricle pacing lead ... #ST #STEMI #Segment
Reperfusion Management of Myocardial Infarction with ST-segment Elevation (STEMI)

#STEMI #PCI #Fibrinolysis #Transfer #Reperfusion #Algorithm #Timeline #Cardiology
Infarction with ST-segment ... Elevation (STEMI ... ) #STEMI #PCI ... #Reperfusion #Algorithm