21 results
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
depolarization in fast AP ... depolarization in slow AP ... Slows sinus rate and ... Slow sinus rate and ... #cardiology #pharmacology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
AP duration: ... Action, ↑ EFR & AP ... inotropy) ACCP Cardiology ... Vaughan #Williams #Pharmacology ... pathophysiology #cardiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics Pharmacology ... AP duration: ... inotropy) ACCP Cardiology ... Antiarrhythmics #Pharmacology ... pathophysiology #phases #cardiology
Anatomy of the Knee X-ray - AP projection. ⁣⁣
It’s important to be able to identify the
To asses the patella ... #knee #xray #clinical ... #radiology #anatomy ... #ap #radiology ... #msk #orthopedics
Scaphoid fracture - Proximal Pole - Wrist XRay
Proximal pole scaphoid fractures have poor healing potential
If an
Proximal Pole - Wrist ... next stop is the hand ... Proximal #WristXRay #Radiology ... #Orthopedics #Clinical
Class I Antiarrhythmics and their Key Pharmacologic Properties

Class IA = Quinidine, Procainamide, Disopyramide ("Quarter PounDer")
Class IB
and their Key Pharmacologic ... in wide QRS on EKG ... prolonged QT on EKG ... #Pharmacology # ... Agents #Cardiology
Wellen’s waves are biphasic with a tight positive, then negative deflection and evolve to become symmetrically
negative deflection and ... Here’s classic Wellen ... TWaves #biphasic #ECG ... #EKG #Electrocardiogram ... #Clinical #Cardiology
Myocarditis - Diagnosis and Causes
 • Clinical presentation: Pseudo-acute coronary syndrome, Cardiac failure <3 rnonths, Cardiogenic
Myocarditis - Diagnosis and ... CausesClinical ... Paraclinical assessment: EKG ... differential #Diagnosis #Causes ... #cardiology #MRI
ECG of a 55-year-old man who presented to the ER with chest pain 
Computer interpretation: “Nonspecific
ECG of a 55-year-old ... Nonspecific ST and ... Recognize this #ECG ... involvement) It’s a classic ... #Clinical #Cardiology
Classic EKG triad of long QT, ST-depression, and PVCs in Hypokalemia
Worry about hypokalemia; this patient had
Classic EKG triad ... ST-depression, and ... ; this patient had ... #ECG #Electrocardiogram ... #Cardiology #Clinical