133 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
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
Antiarrhythmic Drugs

CLASS IA
 • Procainamide, Quinidine, Disopyramide
CLASS 1B
 • Lidocaine, Mexiletine
CLASS 2
 • Propranolol, Esmolol
CLASS 4
Adenosine, Magnesium, Potassium ... Antiarrhythmic #Medications ... Classification #Pharmacology
Potassium Repletion - Oral vs IV
Oral KCl 
 - 40mEq at a time, q2-4 hrs
Potassium Repletion ... Oral vs IV Oral KCl ... : GI upset IV KCl ... DrEricStrong #Potassium
Antiarrhythmic Medications - Vaughan Williams Classification - Summary Table
Class I agents - Sodium Channel Blockers⠀
Class II
Antiarrhythmic Medications ... Class III agents - Potassium ... Antiarrhythmic #Medications ... Summary #Table #pharmacology
Diuretics sites of action on the nephron
1) Acetazolamide (carbonic anhydrase inhibitor)
2) Osmotic diuretics (e.g. mannitol)
3) Loop
Metolazone) 5) Potassium-sparing ... nephron #diuretics #pharmacology ... #nephrology #medications
Medications that cause Hyponatremia

#Diagnosis #Pharmacology #Hyponatremia #Medications #DrugInduced #List #Differential
Medications that ... #Diagnosis #Pharmacology ... #Hyponatremia #Medications ... DrugInduced #List #Differential
Drugs that Impair Renal Potassium Excretion 

Decreased ENaC channel function: Amiloride, Triamterene, Pentamidine
Decreased Aldosterone Synthesis: Heparin,
that Impair Renal Potassium ... Aldosterone Release: ACE ... Pathophysiology #Pharmacology ... #Impaired #Potassium
Causes of Hyperkalemia

Hyperkalemia is caused by excess potassium intake, impaired potassium excretion, or transcellular shifts. The
caused by excess potassium ... intake, impaired potassium ... renal function, medication ... adapt to excess potassium ... #Hyperkalemia #Differential