20 results
Hyperkalemia Differential Diagnosis Algorithm
R/O Pseudo-hyperkalemia:
 • Possible Lab error! Alwavs Repeat Blood sample!
 • Leukocytosis, Thrombocytosis:
Hyperkalemia Differential ... ischemia-induced RBC hemolysis ... ) • RBC Hemolysis ... Algorithm #causes #potassium ... #high #pathophysiology
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... Decreased renal potassium ... Drugs Increased potassium ... • Tumor lysis/hemolysis ... • Type 1 #Hyperkalemia
Drugs that Impair Renal Potassium Excretion 

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

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... venipuncture • Hemolysis ... • Recent IV potassium ... cell lysis: - Hemolysis ... diagnosis #causes #potassium
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
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... Refeeding Syndrome #Hypokalemia ... Algorithm #causes #potassium ... #low #pathophysiology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... venipuncture • Hemolysis ... • Recent IV potassium ... cell lysis: - Hemolysis ... diagnosis #causes #potassium
Digoxin Pharmacology and Pathophysiology
1) Na/K ATPase Pump - Digoxin works by directly binding to and inhibiting
Pharmacology and Pathophysiology ... - Hyperkalemia ( ... , in states of hypokalemia ... (or low potassium ... #Pharmacology #Pathophysiology
Causes of Hyperkalemia
Pseudohyperkalemia
 - Tourniquet use
 - Hemolysis (in vitro)
 - Leukocytosis
 - Thrombocytosis
Intra- to extracellular
Causes of Hyperkalemia ... Tourniquet use - Hemolysis ... intoxication - Hyperkalemic ... aged blood - Hemolysis ... acidosis) #Hyperkalemia
Thyrotoxic Periodic Paralysis - Illness Script
 • Epidemiology: Asian men age 20-30 with hyperthyroidism of any
and menses • Pathophysiology ... Labs/lmaging: Hypokalemia ... • Treatment: Potassium ... hyperthyroidism, Potassium