19 results
Ventricular Tachycardia in Wide Complex Tachycardia - Telemetry Diagnosis
 • Lead V1 - LBBB Criteria
 •
Diagnosis • Lead V1 ... - LBBB Criteria ... • Lead V1 - RBBB ... aVR - Vereckie Algorithm ... #Algorithm #
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
diagnosing MI in LBBB ... Dominant S wave in V1 ... (deep S waves V1 ... Criteria - Suspect STEMI ... 1 mm in leads V1
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
15 lead - STE V1 ... tall T wave in V1 ... is inverted in V1 ... , unless LBBB/LVH ... Interpretation #differential
Differential Diagnosis for ST Segment Elevations
 - ACUTE STEMI 
 - PULMONARY EMBOLISM 
 - LBBB
Differential Diagnosis ... Elevations - ACUTE STEMI ... EMBOLISM - LBBB ... #STElevation #STEMI ... #Differential #
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
Absence of typical RBBB ... or LBBB morphology ... leads, i.e. leads V1 ... Brugada algorithm ... criteria: both V1
Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia
1. aVR: Is the initial deflection in aVR positive?
Algorithm for the ... morphology in V1 ... consistent with either LBBB ... or RBBB?
Here’s an ECG of a patient with 100% Acute LAD Occlusion

Remember that RBBB normally has ST
Remember that RBBB ... Depression in V1 ... STEMI Criteria misses
Suspected ACS - OMI vs STEMI - Differential Algorithm

The name STEMI cognitively inspires EPs to fail
- Differential ... Algorithm The ... name STEMI cognitively ... #Differential # ... Algorithm #cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
STEMI Equivalents ... • Conventional STEMI ... aVR • Posterior STEMI ... anterior leads) #STEMI ... EKG #diagnosis #differential
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
>2mm in >1 of V1 ... prolonged S wave V1 ... (<360ms) PE: RBBB ... S1Q3T3, tall R in V1 ... electrocardiogram #differential