38 results
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
of Drug-Induced Hyperkalemia ... • Increased EC shift ... MunerMohamed1 #hyperkalemia ... differential #diagnosis #pathophysiology ... #pharmacology #
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... Transcellular Shift ... Refeeding Syndrome #Hypokalemia ... potassium #low #pathophysiology
Oxygen-Hemoglobin Dissociation Curve

Left Shift (↓ O2 unloading to tissue), Left = Lower:
 • ↓ H+ (↑
Curve Left Shift ... Temperature Right Shift ... Dissociation #Curve #pathophysiology ... #pulmonary #respiratory
Potassium-Binding Agents to Treat Hyperkalemia
Sodium zirconium cyclosilicate (Lokelma):
 • Mechanism: Preferentially captures K in exchange for
Agents to Treat Hyperkalemia ... and sodium • Dosing ... binds magnesium • Dosing ... and calcium • Dosing ... #medications #pharmacology
Beta-Blockers in Cirrhosis
 • Pathophysiology
 • Indications:  Prevention of decompensation, Prevention of first variceal bleeding,
in Cirrhosis • Pathophysiology ... gastropathy • Dosing ... hepatology #management #pharmacology ... #indications #dosing
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Clenching of fist during ... Suspicion for Hyperkalemia ... Drugs Causing Hyperkalemia ... Intracellular Shift
Drugs that Impair Renal Potassium Excretion 

Decreased ENaC channel function: Amiloride, Triamterene, Pentamidine
Decreased Aldosterone Synthesis: Heparin,
happypillsrx/ #Hyperkalemia ... #Pathophysiology ... #Pharmacology #
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Clenching of fist during ... Suspicion for Hyperkalemia ... Drugs Causing Hyperkalemia ... Intracellular Shift
Pathophysiology Of Constriction
Exaggerated Ventricular Interdependence:
 • Limited Cardiac Filling due to Fixed Volume → Septum Shifts
Pathophysiology ... Volume → Septum Shifts ... - pericardial (pulmonary ... extra-pericardial pulmonary ... #pericarditis #pathophysiology
Veltassa (Patiromer) 
MECHANISM: Potassium Binder 
INDICATION: Treatment of Hyperkalemia 
FORMULATION: Powder for oral suspension 
DOSING: 8.4
: Treatment of Hyperkalemia ... oral suspension DOSING ... who have chronic hyperkalemia ... carry the risk of hyperkalemia ... #Pharmacology