32 results
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Transcellular Shift ... vomiting) • Low K ... Transcellular shifts ... nephrology #low #potassium
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Transcellular Shift ... Stimulation of Na/K-ATPase ... which imports K+ ... Algorithm #causes #potassium
Emergency Management of Hyperkalemia in Adults
Assess Patient - Airway Breathing Circulation Disability Exposure (ABCDE) Approach
 •
Consider cause and if treatment ... - 6.4 mmol/L - Treatment ... /L - Emergency treatment ... Gluconate IV Shift ... management #algorithm #treatment
Hyperkalemia Treatment Options
Stabilize cardiac membrane:
 • IV Calcium (peaks 5-10 minutes)
Decrease potassium concentration:
 • IV Fluids
Shift
Hyperkalemia Treatment ... minutes) Decrease potassium ... • IV Fluids Shift ... potassium intracellularly ... Sodium bicarbonate Potassium
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
the basis of the potassium-to-creatinine ... the urine Urine K+ ... (<2.5 mEq K+/mmol ... creatinine) • Cell shift ... hypokalemia #urine #potassium
Hyperkalemia Management Algorithm
 • Treat the cause & optimize hemodynamics and ventilation
 • Reconsider treatment leadingto
• Reconsider treatment ... and parenteral potassium ... Intracellular K+ ... Shift 3) K+ Excretion ... #potassium #high
Emergent Hyperkalemia Treatment Algorithm
ECG changes, weakness, K+ >6.5 Or renal insufficiency with K >5.5 with cellular
Emergent Hyperkalemia Treatment ... cardiac membrane Shift ... as a standalone treatment ... Remove potassium ... #Hyperkalemia #Treatment
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
• Increased EC shift ... of K (Succinylcholine ... #pharmacology #potassium
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
depletion • Consider K+ ... Dialysis Serum potassium ... blocks, QRS axis shift ... #hyperkalemia #potassium ... management #algorithm #treatment
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• Digoxin • K ... • Recent IV potassium ... Intracellular Shift ... : • K release ... diagnosis #causes #potassium