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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 ... New ST-segment elevation ... leads other than V2 ... • In leads V2- ... DharSaty #ST #Elevation
Sgarbossa Criteria A - Concordant ST segment elevation of >1m, in any lead | Sgarbossa Criteria
Concordant ST segment elevation ... 1mm in leads V1, V2 ... Disconcordant ST segment elevation
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
of ST Segment Elevation ... anteroseptal leads (V2 ... rSR' in V1 and V2 ... in V1 and V2 typically ... QRS complex Pulmonary
Differential Diagnosis for ST Segment Elevations
 - ACUTE STEMI 
 - PULMONARY EMBOLISM 
 - LBBB
for ST Segment Elevations ... ACUTE STEMI - PULMONARY ... #STSegment #STElevation
Brugada Syndrome - EKG Characteristics
Patients with Brugada have a pseudo-RBBB and persistent ST elevations in V1-V2.
Type
persistent ST elevations ... in V1-V2. ... Type 1: • ST elevations ... Type 2: • ST elevations
Progression of EKG changes in Acute Coronary Syndrome (ACS)
Hyperacute T waves:
 • Broad-based and symmetrical, usually
/S ratio >1 ST elevation ... : • New ST elevation ... leads other than V2 ... mV • In leads V2 ... complex in leads V2
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Conventional STEMI - Elevation ... with 1-2 mm ST elevation ... a tall R in V1/V2 ... S ratio > 1 in V2 ... modified) - ST elevation
De Winter T-Waves on EKG
 - Anterior OMI
 - 2% of left anterior descending occlusions
 -
- look for ST elevation ... point usually V2
Brugada syndrome Types 1, 2 and 3

There are three types of ECG presentations, referred to as
The ST segment elevation ... tail”) in V1, V2 ... the ST segment elevation ... the ST segment elevation
ECG changes in Pulmonary Embolism
 - 
Sinus tachycardia 
 - 
Complete or incomplete RBBB 
 -
ECG changes in Pulmonary ... enlargement (P pulmonale ... , including ST elevation ... - #Pulmonary