11 results
Right Bundle Branch Block (RBBB) - EKG Diagnosis
EKG Criteria:
 • QRS > 0.12 seconds
 • Slurred
Bundle Branch Block ... EKG Criteria: ... #BundleBranch #Block ... #ECG #electrocardiogram ... #cardiology
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
Modified Sgarbossa Criteria ... - Suspect STEMI ... #Sgarbossa #Criteria ... Checklist #EKG #electrocardiogram ... #ecg #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 ... ) - HiPR: AV block ... leads slurred S), LBBB ... V-pacemaker, ↑K, ICD ... EKG #diagnosis #electrocardiogram
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Tachycardia - Differential ... Don't rely on criteria ... AFIutter + variable block ... /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,
assoc with 1K, AV block ... - RBBB, LAFB/LPFB ... Checklist #diagnosis #cardiology ... #electrocardiogram ... #differential
Hyperkalemia on EKG
"Mild" Hyperkalemia
 • Peaked, narrow-based T Waves
 • Double counting of HR by EKG
Hyperkalemia on EKG "Mild ... of conduction block ... waves • Pseudo-STEMI ... Hyperkalemia #EKG #ECG #electrocardiogram ... #cardiology #diagnosis
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Sinus Tachy w/ BBB ... - w/ variable block ... (3) SA node block ... EKG #diagnosis #electrocardiogram ... #cardiology #differential
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
STEMI Equivalents ... V6 • Sgarbossa criterion ... • Sgarbossa criterion ... EKG #diagnosis #differential ... #cardiology #electrocardiogram