6 results
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Antiarrhythmics ... repolarization CLASS 3 - Potassium ... Vaughan #Williams #Pharmacology ... Classification #Classes ... #pathophysiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics ... Pharmacology Summary ... repolarization CLASS 3 - Potassium ... #Pharmacology # ... #pathophysiology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Clenching of fist during ... • NSAIDs • ACE ... differential #diagnosis #causes ... #potassium #high ... #nephrology
Diuretics - Pharmacology

Thiazides diuretics:
 • Inhibit Na+ Cl- cotransporter in distal tubule
 • Chlorothiazide, Chlorthalidone, Indapamide,
Diuretics - Pharmacology ... Piretanide Potassium ... not a diuretic as ... #nephrology #conversion ... loop #thiazide #classes
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Clenching of fist during ... • NSAIDs • ACE ... differential #diagnosis #causes ... #potassium #high ... #nephrology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
• Mutism Pathophysiology ... pontine lesion • Roving ... Glasgow Coma Scale (GCS ... Casey Albin MD @ ... #PhysicalExam #neurology