12 results
Antiarrhythmic Medications - Vaughan Williams Classification - Summary Table
Class I agents - Sodium Channel Blockers⠀
Class II
- Summary Table ... are beta blockers ... - Potassium Channel ... Blockers Class ... #Summary #Table
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... 2 - Beta Blockers ... 3 - Potassium Channel ... alpha & beta adrenergic ... #Pharmacology #Classification
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
- Differential ... Diagnosis Algorithm ... cells: Insulin, Beta-Agonist ... #causes #potassium ... #low #pathophysiology
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Diagnosis Algorithm ... Alkalosis • ↑ beta ... vomiting) • Low ... #potassium
Causes of Hyperkalemia - Reduced Excretion - Differential Diagnosis Algorithm

Reduced flow through distal nephron - TTKG
Reduced Excretion - Differential ... Diagnosis Algorithm ... Aldosterone • ENaC blockers ... nephropathy • Beta ... #Hyperkalemia #IntercellularShift
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... #Hypokalemia #Differential ... #Diagnosis #Low ... #Potassium #Table ... #Classification
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Vaughan Williams Classification ... 2 - Beta Blockers ... 3 - Potassium Channel ... alpha & beta adrenergic ... #Pharmacology #Classification
The Diagnostic Approach to Hyperkalemia
Drugs
 - Amiloride
 - Spironolactone
 - Triamterene
 - Trimethoprim
 - Pentamidine
 -
Ketoconazole Low ... - NSAlDs - Beta-Blockers ... #Hyperkalemia #Algorithm ... #diagnosis #differential ... #causes
Causes of Hyperkalemia - Intercellular Shift - Differential Diagnosis Algorithm
Transcellular Shift - Appropriate renal excretion (GFR,
Intercellular Shift - Differential ... Diagnosis Algorithm ... , TTKG, distal flow ... Resistance • Beta ... #Hyperkalemia #IntercellularShift
Causes of Hyperkalemia
l. Pseudohyperkalemia
  A Cellular efflux; thrombocytosis, erythrocytosis, leukocytosis, in vitro hemolysis
  B.
Beta-Adrenergic ... Drug-associated: heparin, low-molecular-weight ... #Hyperkalemia #Differential ... Diagnosis #High #Potassium ... #Classification