7 results
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Antiarrhythmics ... Blockers: • MOA: Block ... Blockers: • MOA: Block ... primarily) and block ... Blockers: • MOA: Block
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
1st Degree Heart Block ... Brady Management ... HeartBlocks #Types #Classification ... Diagnosis #EKG #electrocardiogram ... #ecg #cardiology
Deep T Wave Inversions - Differential
Normal variants 
  A. Juvenile T wave pattern
Wave Inversions - Differential ... bundle branch block ... #Diagnosis #Causes ... #Cardiology #ECG ... #EKG #Electrocardiogram
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics ... Blockers: • MOA: Block ... Blockers: • MOA: Block ... primarily) and block ... Blockers: • MOA: Block
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
- w/ variable block ... (3) SA node block ... - Proximal AV block ... QRS - Distal AV block ... #cardiology #differential
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Marantic (NTBE) Differential ... sided IE: heart block ... lesions, heart block ... Endocarditis #diagnosis #management ... #cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Bundle Branch Block ... bundle-branch block ... #diagnosis #cardiology ... #ecg #ekg #electrocardiogram