23 results
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
Angiotensin-converting enzyme (ACE ... • Exogenous (KCL ... #hyperkalemia #differential ... pathophysiology #pharmacology ... #potassium #medications
Antiarrhythmic Drugs

CLASS IA
 • Procainamide, Quinidine, Disopyramide
CLASS 1B
 • Lidocaine, Mexiletine
CLASS 2
 • Propranolol, Esmolol
CLASS 4
Adenosine, Magnesium, Potassium ... Antiarrhythmic #Medications ... #Classes #Classification ... #Pharmacology #
Antiarrhythmic Medications - Vaughan Williams Classification - Summary Table
Class I agents - Sodium Channel Blockers⠀
Class II
Antiarrhythmic Medications ... Vaughan Williams Classification ... Class III agents - Potassium ... #Classification ... Summary #Table #pharmacology
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Normotensive: • UCl ... Post-hypercapnia • UCl ... #Hypokalemia #Differential ... #causes #low #potassium
Potassium Channel Blockers - Medications
1. Cardiovascular Drugs
2. Psychiatric drugs
3. Other drugs
4. Synthetic opioids: Levomethadyl 
5. Opium
Potassium Channel ... Blockers - Medications ... ChannelBlockers #Medications ... #Differential # ... Diagnosis #Pharmacology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
the basis of the potassium-to-creatinine ... • Low Urine Cl ... • High Urine Cl ... hypokalemia #urine #potassium ... #differential #
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... • NSAIDs • ACE ... • Recent IV potassium ... Medications 2. ... #hyperkalemia #differential
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Chloride Algorithm Cl ... Kidney loss of Cl ... alkalosis • Loss of Cl ... Cystic fibrosis Cl ... of sodium and potassium
Causes of Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
osmotic diuresis - Potassium ... Causes #diagnosis #differential ... #medications #drugs ... #pharmacology #
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... • NSAIDs • ACE ... • Recent IV potassium ... Medications 2. ... #hyperkalemia #differential