42 results
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... Transcellular Shift ... Diagnosis #Algorithm #causes ... #potassium #low ... #pathophysiology
Hyperkalemia Differential Diagnosis Algorithm
R/O Pseudo-hyperkalemia:
 • Possible Lab error! Alwavs Repeat Blood sample!
 • Leukocytosis, Thrombocytosis:
Alwavs Repeat Blood ... while drawing blood ... Diagnosis #Algorithm #causes ... #potassium #high ... #pathophysiology
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
• Increased EC ... shift of K (Succinylcholine ... Benyzlpenicillin, blood ... differential #diagnosis #pathophysiology ... #pharmacology #potassium
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
patients with hypokalemia ... the basis of the potassium-to-creatinine ... creatinine) • Cell shift ... effective arterial blood ... #urine #potassium
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... Crush injury • Blood ... Intracellular Shift ... differential #diagnosis #causes ... #potassium #high
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
treated with IV potassium ... wasting from other causes ... urinary losses: • High ... Blood Pressure: ... • Low/Normal Blood
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... Crush injury • Blood ... Intracellular Shift ... differential #diagnosis #causes ... #potassium #high
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
Hyperkalemia - Management ... Dialysis Serum potassium ... and ECG changes ... blocks, QRS axis shift ... #potassium #high
Hyperkalemia Management Algorithm
 • Treat the cause & optimize hemodynamics and ventilation
 • Reconsider treatment leadingto
• Treat the cause ... and parenteral potassium ... Intracellular K+ Shift ... Algorithm #treatment #potassium ... #high
Digoxin Pharmacology and Pathophysiology
1) Na/K ATPase Pump - Digoxin works by directly binding to and inhibiting
Pharmacology and Pathophysiology ... intracellular calcium causes ... - Hyperkalemia ( ... high potassium levels ... #cardiology