ACS-OMI
Results:
Posterior STEMI: Criteria & Pitfalls
Key Points High Risk of Missed Diagnosis: Isolated posterior occlusion MI is frequently missed due to the absence of ST elevation on standard 12-lead ECG. Instead, ST depression in V1–V3…
ST Depression V1-V4: OMI Pattern
Key Points Most Missed STEMI: Isolated posterior MI is the most commonly missed occlusion MI due to the absence of ST elevation on standard 12-lead ECG. ECG Pattern of Posterior…
EMS ECGs in Acute Coronary Syndromes (ACS)
Key Points for EMS Providers: You are the first critical link in the chain of survival for ACS patients—your actions set the course for their care, directly impacting time to…
Subtle ST Segment Elevation: OMI Pattern
Key Points ACS Dynamics: Occluded arteries in ACS can spontaneously reperfuse and reocclude, making ECG findings variable. Limitations of Computer Interpretation: Subtle STE is often missed by computerized ECG interpretation;…
South African Flag Sign: OMI Pattern
Key Points Pattern Recognition: The South African Flag Sign is characterized by: ST-segment elevation (STE) in leads I, aVL, and V2. ST-segment depression in lead III. Subtle but visually distinctive…
New RBBB and LAFB in ACS: OMI Pattern
Key Points Pattern Recognition: New-onset Right Bundle Branch Block (RBBB) and Left Anterior Fascicular Block (LAFB) occurring together is a high-risk ECG finding. Often associated with proximal Left Anterior Descending…
Acute Pericarditis vs STEMI: DDx
Key Points Acute Pericarditis: A challenging diagnosis with symptoms and ECG findings that may mimic STEMI. STEMI: A more life-threatening and time-sensitive condition. Differentiation from pericarditis is crucial to avoid…
WPW Syndrome and Pseudo-MI Patterns
Key Points WPW Pattern Mimics: Wolff-Parkinson-White (WPW) syndrome can produce an ECG pattern that mimics conditions such as myocardial infarction, ventricular bigeminy, accelerated idioventricular rhythm, and electrical alternans. ST Segment…
LVH vs STEMI: DDx
Key Points LVH Mimicry: Left ventricular hypertrophy (LVH) can mimic anterior coronary occlusion and is a common cause of “false-positive” cath lab activations. Diagnostic Challenge: LVH with strain pattern can…
Early Repolarization vs STEMI: DDx
Key Points Differentiation Challenge: Early repolarization (ER) is a benign ECG pattern often seen in healthy young individuals, characterized by ST segment elevation that can mimic STEMI and acute pericarditis….
Upright T Waves in V1
Key Point Normal T Wave in V1: The normal ECG typically shows a flat or inverted T-wave in lead V1. Upright T-Wave Abnormality: An upright T-wave in V1 (TV1) should…
Barcelona Criteria: OMI Pattern
Key Point Challenge in LBBB and RV Pacing: Both left bundle branch block (LBBB) and right ventricular (RV) paced rhythms alter ventricular depolarization and repolarization, making recognition of acute myocardial…
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