45 results
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
of Drug-Induced Hyperkalemia ... MunerMohamed1 #hyperkalemia ... #differential #diagnosis ... pathophysiology #pharmacology ... #potassium #medications
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 ... dysfunction is common #Diagnosis
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... • NSAIDs • ACE ... Beta blockers • Antibiotics ... Medications 2. ... #causes #potassium
Drugs that Impair Renal Potassium Excretion 

Decreased ENaC channel function: Amiloride, Triamterene, Pentamidine
Decreased Aldosterone Synthesis: Heparin,
that Impair Renal Potassium ... Aldosterone Release: ACE ... happypillsrx/ #Hyperkalemia ... Pathophysiology #Pharmacology ... #Impaired #Potassium
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... • NSAIDs • ACE ... • Recent IV potassium ... Beta blockers • Antibiotics ... Medications 2.
Potassium-Binding Agents to Treat Hyperkalemia
Sodium zirconium cyclosilicate (Lokelma):
 • Mechanism: Preferentially captures K in exchange for
Potassium-Binding ... Agents to Treat Hyperkalemia ... to moderate); hypokalemia ... of aspiration #Potassium ... #medications #pharmacology
Constipation - Differential Diagnosis Algorithm
Diet/Lifestyle
 • Fibre
 • Calories
 • Fluid
 • Exercise
 • Psychosocial
Medications
 •
- Differential Diagnosis ... Psychosocial Medications ... Neurally Active Medications ... Aluminum, Calcium, Potassium ... • Hypercalcemia
Linezolid (Zyvox) (PO and IV) - Antibiotics Class Overview

Mechanism: Oxazolidinone class –unique ribosomal inhibitor (acts on
(PO and IV) - Antibiotics ... Class Overview ... Spectrum: covers all ... infections #Pharmacology ... #Antibiotics #Review
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Diagnosis Algorithm ... Gitelman's syndrome #Hypokalemia ... #Differential #Diagnosis ... #causes #low #potassium
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Diagnosis Algorithm ... Thyrotoxicosis Medications ... #Differential #Diagnosis ... nephrology #low #potassium