78 results
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Phases: Phase 0 - Ventricular ... efflux • Delays ventricular ... repolarization Phase 3 - Ventricular ... inotropy) ACCP Cardiology ... Classification #Classes
The Aetiology of Ventricular Tachycardia (VT) in the Structurally Normal Heart and in Structural Heart Disease
The Aetiology of Ventricular ... Heart Disease #Ventricular ... Classification #Causes ... #Structural #Cardiology
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
depolarization in fast AP ... depolarization in slow AP ... depolarization in slow AP ... Classification #Classes ... #cardiology #pharmacology
D-Sign on Ultrasound
Right Ventricular Pressure vs Volume Overload
Eccentricity Index (EI) = D2/D1
RV Overload “D Sign” EI
D-Sign on Ultrasound ... Right Ventricular ... Pocus101 #DSign #Ultrasound ... psax #diagnosis #cardiology
Myocarditis - Diagnosis and Causes
 • Clinical presentation: Pseudo-acute coronary syndrome, Cardiac failure <3 rnonths, Cardiogenic
Diagnosis and Causes ... rnonths, Cardiogenic ventricular ... diagnosis: Ischernic cause ... differential #Diagnosis #Causes ... #cardiology #MRI
POCUS Pearls for Tamponade
- Pericardial Effusion
- Diastolic Right Ventricular Collapse
- Systolic Right Atrial Collapse
- Plethoric Inferior
Diastolic Right Ventricular ... Diagnosis #Evaluation #Cardiology ... Echocardiogram #Ultrasound
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
Non-lschemic Causes of Cardiogenic Shock:

Beta-Blockers, Calcium Channel Blockers, Digoxin 

Myocarditis 

Cardiomyopathies (sarcoidosis, amyloidosis, Takatsubo, 
hemochromatosis) 

Valvular
Non-lschemic Causes ... Atrial Tachycardia, Ventricular ... Tachycardia, Ventricular ... #Nonlschemic #Causes ... Differential #Diagnosis #Cardiology
Tetralogy of Falot on Chest X-Ray
Tetralogy of Falot comprises four defects -
1. Ventricular septal defect (VSD)
2.
Ventricular septal ... Right ventricular ... boot shaped heart caused ... CXR #clinical #radiology ... peds #pediatrics #cardiology
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... • Monomorphic ventricular ... • Polymorphic ventricular ... Diagnosis #Algorithm #Causes ... #cardiology