13 results
Antiarrhythmic Drugs

CLASS IA
 • Procainamide, Quinidine, Disopyramide
CLASS 1B
 • Lidocaine, Mexiletine
CLASS 2
 • Propranolol, Esmolol
CLASS 4
Disopyramide CLASS ... Adenosine, Magnesium, Potassium ... #Classification ... #Pharmacology # ... cardiology
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Renal tubular acidosis ... (Types 1 and 2, ... but not type 4) ... Diagnosis #Low #Potassium ... #Table #Classification
Shock Classification and Differential Diagnosis
SHOCK
 • MAP <65, SBP <90, drop in SBP > 40
 •
Shock Classification ... Decompensated CHF, Severe ... Blood Loss, GI Losses ... Differential #Diagnosis #Types ... #criticalcare
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Elevation, Lactic Acidosis ... the cause: stop, reverse ... A Lactic Acidosis ... B Lactic Acidosis ... classification
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... 3 - Potassium Channel ... Vaughan #Williams #Pharmacology ... #Classification ... #cardiology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• Recent IV potassium ... necrosis • K release ... - Metabolic acidosis ... Failure • SLE • Type ... #potassium #high
Causes, classification and compensatory responses to shock.

Shock can be caused by any pathological process that leads
Causes, classification ... (as occurs in severe ... #Diagnosis #CriticalCare ... #Differential #Causes ... #Types #Classification
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• Recent IV potassium ... necrosis • K release ... - Metabolic acidosis ... Failure • SLE • Type ... #potassium #high
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics Pharmacology ... 3 - Potassium Channel ... inotropy) ACCP Cardiology ... #Classification ... #phases #cardiology
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Causes of Metabolic ... hypercapnia (acute reversal ... chronic respiratory acidosis ... syndrome (11-ß HSD type ... potassium deficiency