113 results
Left Main Coronary Artery Occlusion on ECG

- aVR ST segment elevation > 1 mm 
- aVR
on ECG - aVR ST ... > 1 mm - aVR ST ... segment elevation > ST
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
- Elevation of ST ... and upsloping ST ... often with 1-2 mm ST ... Posterior STEMI - ST ... criterion 1 - ST
ST segment elevation in acute myocardial ischemia

ST segment elevations with straight (horizontal, upsloping or downsloping) or
ST segment elevation ... myocardial ischemia ST ... downsloping) or convex ST ... Concave ST segment ... Concave ST segment
Brugada Syndrome - EKG Characteristics
Patients with Brugada have a pseudo-RBBB and persistent ST elevations in V1-V2.
Type
and persistent ST ... Type 1: • ST elevations ... • Downsloping ST ... wave Type 2: • ST ... "Saddle back" ST-T
Sgarbossa Criteria A - Concordant ST segment elevation of >1m, in any lead | Sgarbossa Criteria
A - Concordant ST ... B - Concordant ST ... Disconcordant ST
What are the original Sgarbossa Criteria?
- Concordant ST-segment elevation ≥ 1 mm in any lead =
- Concordant ST-segment ... points - Concordant ST-segment ... points - Discordant ST-segment
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Opposing leads ST ... in V4 - The ST ... - Reciprocal ST ... Aneurysm: • ST
De Winter T-Waves on EKG
 - Anterior OMI
 - 2% of left anterior descending occlusions
 -
STEMI - look for ST ... waves - Upsloping ST ... segment - ST depression
Here’s an ECG of a patient with 100% Acute LAD Occlusion

Remember that RBBB normally has ST
RBBB normally has ST ... So ANY ST Elevation ... an isolectric ST
De Winter T Wave ECG Pattern 
STEMI Equivalent - Left anterior descending (LAD) occlusion 

1) Upsloping
1) Upsloping ST ... (>= 1 mm) 2) ST