504 results
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Vaughan Williams Classification ... - Na+ Channel Blockade ... Beta Receptor Blockade ... VaughanWilliams #Classification ... #Classes #cardiology
Uveitis - Definition, Causes and SUN Classification

Inflammation of the iris, ciliary body, vitreous, retina and/or choroid
Incidence
- Definition, Causes ... inhabitants 3rd leading ... retinal ischemia Causes ... TerrierBen #Uveitis #Causes ... #Differential #
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Vaughan Williams Classification ... 1B: Weak Blockade ... 1C: Strong Blockade ... #Pharmacology #Classification ... #Classes #pathophysiology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... 1B: Weak Blockade ... 1C: Strong Blockade ... #Pharmacology #Classification ... #Classes #pathophysiology
Causes of Nausea and Vomiting - Differential Algorithm #Diagnosis #EM #IM #Causes #Nausea #Vomiting #Differential #NonGI
Causes of Nausea ... Algorithm #Diagnosis ... #EM #IM #Causes ... #Differential # ... NonGI #Algorithm
Intrapartum Abnormal Fetal HR Tracing - Causes of Bradycardia and Tachycardia - Differential Diagnosis Algorithm
Abnormal Variability:
- Causes of Bradycardia ... Tachycardia - Differential ... Diagnosis Algorithm ... #Differential # ... #Causes #Obstetrics
Hemolysis Classification - Intrinsic and Extrinsic Causes

Commentary: Another way to think of immune hemolysis would be
and Extrinsic Causes ... autoimmune (most of the causes ... Intrinsic #Extrinsic #Differential ... #Diagnosis #Causes ... #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
Hyperkalemia Differential Diagnosis Algorithm
R/O Pseudo-hyperkalemia:
 • Possible Lab error! Alwavs Repeat Blood sample!
 • Leukocytosis, Thrombocytosis:
Hyperkalemia Differential ... Diagnosis Algorithm ... tourniquet while drawing ... #causes #potassium ... #high #pathophysiology
Prolonged neuromuscular blockade - Differential Diagnosis
- Drugs, Acid-base Disorders, Metabolic, Neurologic, Electrolyte abnormalities

By Mark Harris, MD
neuromuscular blockade ... - Differential ... neuromuscular #blockade ... #Prolonged #Differential ... Anesthesiology #Causes