12 results
De Winter T Wave ECG Pattern 
STEMI Equivalent - Left anterior descending (LAD) occlusion 

1) Upsloping
Pattern STEMI ... Equivalent - Left anterior ... descending (LAD ... #Diagnosis #Cardiology ... #Criteria
Lead aVR on EKG
Lead aVR can provide some unique insight into 5 different conditions:

 - Acute
Lead aVR on EKG ... Lead aVR can provide ... #Diagnosis #Cardiology ... #EKG #ECG #Lead ... #AVR #Utility #ALiEM
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... descending (LAD ... only looks at aVR lead ... #AVR #leadAVR #ecg ... cardiology
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
have no pain - LAD ... avR - proximal LAD ... infarct, get a 15 lead ... #EKG #diagnosis ... Interpretation #differential
Posterior ECG leads (V7-V9) are applied by moving V4-V6 to under the left scapula.Purpose: To detect
Posterior ECG leads ... lateral wall AMI #EM ... #Cardiology #Posterior ... #EKG #Lead #Placement ... #ALiEM
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
Capture: Narrow, different ... - Suspect STEMI ... > 1 mm in any lead ... wave > 25% in any lead ... #cardiology #lbbb
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
• Sgarbossa criterion ... leads) #STEMI ... #EKG #diagnosis ... #differential # ... cardiology #electrocardiogram
There is inferior ST elevation with reciprocal ST depression in aVL and  in lead I,
There is inferior ... in aVL and in lead ... suggestive of STEMI ... #Clinical #EM #Cardiology ... #EKG #STEMI #Inferior
Pulmonary Embolism on ECG 

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Triage EKG (no prior ... Differential/diagnosis ... inversions V1-V4 plus inferior ... leads (II, III, ... #clinical #cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Diagnosis Framework STEMI ... ventricle pacing lead ... QRS complex Pulmonary ... #diagnosis #cardiology ... #ecg #ekg #electrocardiogram