116 results
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
depolarization in fast AP ... • Widens QRS complex ... depolarization in slow AP ... Classification #Classes ... #cardiology #pharmacology
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... Algorithm Narrow Complex ... conduction Wide-Complex ... Diagnosis #Algorithm #Causes ... #cardiology
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Rhythm - Narrow Complex ... whether AF is cause ... Tx: Underlying cause ... Narrow #Irregular #causes ... #cardiology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Action, ↑ EFR & AP ... Action, ↓ EFR & AP ... inotropy) ACCP Cardiology ... Classification #Classes ... pathophysiology #cardiology
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Narrow Complex Tachycardias ... Irregular Narrow Complex ... Regular Narrow Complex ... differential #diagnosis #causes ... #cardiology
Wide Complex Tachycardia - ECG Definition and Causes
 • Wide Complex Tachycardia (WCT) is a cardiac
Wide Complex Tachycardia ... Definition and Causes ... • Wide Complex ... WCT #diagnosis #cardiology ... #differential #causes
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Action, ↑ EFR & AP ... Action, ↓ EFR & AP ... inotropy) ACCP Cardiology ... Classification #Classes ... pathophysiology #phases #cardiology
Here another case. On the PA-film a mass is seen that fills the aortopulmonary window. Final
Here another case ... mass is seen that fills ... #Clinical #Radiology ... Lateral #APWindow #AP
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
bpm) - Narrow Complex ... WPW) - Narrow Complex ... aberrancy - Wide Complex ... tachyarrhythmias #Cardiology ... Diagnosis #Algorithm #causes
Anatomy of the Knee X-ray - AP projection. ⁣⁣
It’s important to be able to identify the
the Knee X-ray - AP ... typically use the AP ... To asses the patella ... xray #clinical #radiology ... #anatomy #ap #radiology