11 results
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
Modified Sgarbossa ... Discordance" = ST ... Criteria - Suspect STEMI ... #EKG #electrocardiogram ... #ecg #cardiology
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
0.5mm downgoing ST ... in V1, unless LBBB ... #EKG #diagnosis ... electrocardiogram #cardiology ... Interpretation #differential
Wide Complex Tachycardia - ECG Definition and Causes
 • Wide Complex Tachycardia (WCT) is a cardiac
- with fixed BBB ... • Ventricular pacing ... #WCT #diagnosis ... #cardiology #ekg ... #definition #differential
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Diagnosis Framework ... morphology similar to LBBB ... block; and sinus tachycardia ... #diagnosis #cardiology
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Tachycardia - Differential ... Diagnosis Table ... : • ST vs SVT ... #Differential # ... #cardiology
Modified Sgarbossa Criteria for diagnosing STEMI in the presence of a LBBB If there is concordant
Modified Sgarbossa ... STEMI in the presence ... of a LBBB If there ... #Cardiology #Sgarbossa ... #LBBB
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
evaluating for other causes ... Drive: • Sinus Tachycardia ... • Non-specific ST-T ... Embolism #AcutePE #diagnosis ... #cardiology #electrocardiogram
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
STEMI Equivalents ... Sgarbossa criterion 3 (modified ... #EKG #diagnosis ... #differential # ... cardiology #electrocardiogram
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
imitator" • ↓ K - ST ... long QT via long ST ... Brugada 1 - Coved STE ... #diagnosis #cardiology ... electrocardiogram #differential
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Sinus Tachy w/ BBB ... 200ms from longer pause ... #EKG #diagnosis ... electrocardiogram #cardiology ... #differential