13 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
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
• Alternating RBBB ... /LBBB with syncope ... Class Ill: • Syncope ... • Reversible causes ... Indications #PPM #cardiology
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 ... #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
Deep T Wave Inversions - Differential
Normal variants 
  A. Juvenile T wave pattern
Wave Inversions - Differential ... bundle branch block ... #Diagnosis #Causes ... #Cardiology #ECG ... #EKG #Electrocardiogram
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
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
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Sinus Tachy w/ BBB ... - w/ variable block ... 200ms from longer pause ... EKG #diagnosis #electrocardiogram ... #cardiology #differential
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
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Elevation - Differential ... Bundle Branch Block ... morphology similar to LBBB ... #ecg #ekg #electrocardiogram