13 results
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
diagnosing MI in LBBB ... or Pacemaker LBBB ... conducted 2) LBBB ... - Suspect STEMI ... #lbbb
Right Bundle Branch Block (RBBB) - EKG Diagnosis
EKG Criteria:
 • QRS > 0.12 seconds
 • Slurred
Branch Block (RBBB ... Diagnosis EKG Criteria ... BundleBranch #Block #RBBB ... Diagnosis #ECG #electrocardiogram ... #cardiology
Here’s an ECG of a patient with 100% Acute LAD Occlusion

Remember that RBBB normally has ST
Remember that RBBB ... STEMI Criteria misses ... Total #ECG #EKG #Electrocardiogram ... #Clinical #Cardiology
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Ml, WPW, LVH, LBBB ... MI, WPW, RVH, RBBB ... ) - WideQRS: RBBB ... leads slurred S), LBBB ... EKG #diagnosis #electrocardiogram
Differential Diagnosis for ST Segment Elevations
 - ACUTE STEMI 
 - PULMONARY EMBOLISM 
 - LBBB
Differential Diagnosis ... Elevations - ACUTE STEMI ... EMBOLISM - LBBB ... #Differential # ... Diagnosis #Cardiology
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Tachycardia - Differential ... Don't rely on criteria ... certain of AFib + RBBB ... /LBBB or identical ... Irregular #causes #cardiology
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
wide, can be new/old ... in V1, unless LBBB ... EKG #diagnosis #electrocardiogram ... #cardiology #STEMI ... Interpretation #differential
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
Trifascicular block - RBBB ... (<360ms) PE: RBBB ... Checklist #diagnosis #cardiology ... #electrocardiogram ... #differential
Modified Sgarbossa Criteria for diagnosing STEMI in the presence of a LBBB If there is concordant
Modified Sgarbossa Criteria ... for diagnosing STEMI ... presence of a LBBB ... S #Diagnosis #Cardiology ... #LBBB
Wide Complex Tachycardia - ECG Definition and Causes
 • Wide Complex Tachycardia (WCT) is a cardiac
- with fixed BBB ... Ventricular pacing • Electrocardiogram ... WCT #diagnosis #cardiology ... #ekg #ecg #electrocardiogram ... #definition #differential