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cardiology ecg diagnosis electrocardiogram clinical differential dewinter criteria ischemia lbbb modified occlusion sgarbossa avr checklist em equivalents management stelevation tachycardia
De Winter T Wave ECG Pattern STEMI Equivalent - Left anterior descending (LAD) occlusion 1) Upsloping
ECG Pattern STEMI ... anterior descending (LAD ... ) Upsloping ST elevation ... #DeWinter #TWaves ... #ECG #EKG #Electrocardiogram
De Winter T-Waves on EKG - Anterior OMI - 2% of left anterior descending occlusions -
on EKG - Anterior ... before or after STEMI ... - look for ST elevation ... FOAMfrat #DeWinter #TWaves ... #EKG #ECG #Electrocardiogram
3 ECG patterns for Acute Occlusion MI (OMI) without meeting ST elevation criteria • Posterior MI
3 ECG patterns for ... without meeting ST elevation ... • Hyperacute T Waves ... MyocardialInfarction #OMI #STEMI ... #ekg
Approach to ECGs - Ischemia MI = Biomarkers + ECG or echo/angiogram findings Pathologic Q - 1/3 height
new/old infarct STEMI ... • DDx: Acute STEMI ... have no pain - LAD ... avR - proximal LAD ... #EKG #diagnosis
STEMI Equivalents on ECG • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
STEMI Equivalents ... STEMI - Elevation ... aVR • Posterior STEMI ... anterior leads) #STEMI ... #EKG #diagnosis
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
Causes of ST Segment Elevation - Differential Diagnosis Framework STEMI: • Upsloping convex STE: "Pardee's sign" +
Diagnosis Framework STEMI ... ventricle pacing lead ... #ST #STEMI #Segment ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram
Lead AVR on ECG 1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... anterior descending (LAD ... overdose: Prominent R wave ... aVR • Classic EKG ... prominent terminal R wave
De Winter T Wave on ECG Diagnostic Criteria - Tall, prominent, symmetric T waves in the precordial
Absence of ST elevation ... - ST segment elevation ... aVR - “Normal” STEMI ... #DeWinter #TWaves ... #ECG #EKG #Clinical
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker 1) Identify LBBB or
Criteria - Suspect STEMI ... > 1 mm in any lead ... > 25% in any lead ... Diagnosis #Checklist #EKG ... electrocardiogram #ecg
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