11 results
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
• Alternating RBBB ... /LBBB with syncope ... without symptoms • RBBB ... • 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 ... certain of AFib + RBBB ... /LBBB or identical ... #cardiology
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
Absence of typical RBBB ... or LBBB morphology ... Morphology criteria ... Aberration #Aberrancy #Comparison ... #Diagnosis #Cardiology
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity pneumonitis ... Hypersensitivity pneumonitis ... Clinical #Diagnosis #Radiology ... NodularPattern #Differential ... #Comparison #Table
Wide Complex Tachycardia - ECG Definition and Causes
 • Wide Complex Tachycardia (WCT) is a cardiac
Definition and Causes ... - with fixed BBB ... WCT #diagnosis #cardiology ... electrocardiogram #definition #differential ... #causes
The modified Sgarbossa Rule uses proportions to identify acute AMI in the setting of ST-elevations in
Sgarbossa Rule uses ... ST-elevations in LBBB ... Diagnosis #EM #Cardiology ... Modified #Sgarbossa #Criteria
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 ... electrocardiogram #cardiology ... Interpretation #differential
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Sinus Tachy w/ BBB ... 200ms from longer pause ... electrocardiogram #cardiology ... #differential
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
chronic HP (right) Differential ... Hypersensitivity Pneumonitis ... Subacute stage: - RB-ILD ... Clinical #Diagnosis #Radiology ... #CTChest #UIP #Comparison
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Elevation - Differential ... morphology similar to LBBB ... voltage Other Causes ... #diagnosis #cardiology