39 results
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Vaughan Williams Classification ... Class I (Ia, Ib ... rate and prolongs PR ... rate and prolongs PR ... VaughanWilliams #Classification
Pericarditis can be seen on EKG with diffuse ST elevations without reciprocal changes along with diffuse
Pericarditis can ... along with diffuse PR ... treatment for pericarditis ... in refractory cases ... #Acute #Pericarditis
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... depolarization • ↑ PR ... velocity) - ↑ PR ... #Pharmacology #Classification ... #Classes #pathophysiology
Pathophysiology Based Approach to Hyponatremia - Diagnostic Algorithm

Not the "classic" Volume based approach. 

#Hyponatremia #Algorithm #Pathophysiology
Pathophysiology ... Hyponatremia - Diagnostic Algorithm ... Not the "classic ... #Hyponatremia #Algorithm ... #Pathophysiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Vaughan Williams Classification ... depolarization • ↑ PR ... velocity) - ↑ PR ... #Pharmacology #Classification ... #Classes #pathophysiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Pericarditis: PR ... elevation in aVR • PR ... includes ACS vs pericarditis ... - Concurrent PR ... wave in aVR • Classic
Hemolysis Classification - Intrinsic and Extrinsic Causes

Commentary: Another way to think of immune hemolysis would be
Hemolysis Classification ... and Extrinsic Causes ... autoimmune (most of the causes ... #Hemolysis #Classification ... #Algorithm
Shock - Pathophysiology 
Inadequate tissue perfusion to meet O2, nutrient requirements
1. Distributive Shock
2. Hypovolemic Shock
3. Cardiogenic
Shock - Pathophysiology ... Shock #Shock #Pathophysiology ... differential #diagnosis #algorithm ... #causes
Causes of Generalized Edema - Differential Diagnosis Algorithm
Overfill (Increased renal sodium retention, Urine Na > 40meq/L)
Causes of Generalized ... Differential Diagnosis Algorithm ... • Constrictive pericarditis ... Differential #Diagnosis #Algorithm ... #Causes
Causes of Pericarditis - Differential Diagnosis Algorithm
Viral:
 • Coxsackie
 • Echovirus
 • Adenovirus
 • Epstein-Barr virus
Causes of Pericarditis ... Differential Diagnosis Algorithm ... amzn.to/2LmUODZ #Pericarditis ... Differential #Diagnosis #Algorithm ... #Causes #Cardiology