45 results
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... Transcellular Shift ... - Refeeding Syndrome ... Algorithm #causes #potassium ... #low #pathophysiology
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Diagnosis Algorithm ... Transcellular Shift ... • Refeeding syndrome ... nephrology #low #potassium
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
• Increased EC ... shift of K (Succinylcholine ... #differential #diagnosis ... #pathophysiology ... #pharmacology #potassium
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
Hyperkalemia - Management ... and ECG changes ... blocks, QRS axis shift ... #diagnosis #management ... #algorithm #treatment
BRASH Syndrome

B - Bradycardia
R - Renal failure
A - AV nodal blockade
S - Shock
H - Hyperkalemia

Typical ECG
BRASH Syndrome ... Typical ECG ... ) BRASH Treatment ... #diagnosis #management ... #pathophysiology
Medications for the Treatment of Hyperkalemia
The goals of acute treatment are to prevent potentially life-threatening cardiac
Medications for the Treatment ... goals of acute treatment ... disturbances, shift ... , changes on ECG ... #Treatment
Rhabdomyolysis - Differential Diagnosis and Management Summary

Trauma:
 • Immobilization, Crush iniury, Compartment syndrome, Electrical injury
Exertional:
 •
- Differential Diagnosis ... Dermatomyositis) AKI - Pathophysiology ... Shift of extracellular ... Monitor potassium ... Dialysis for severe hyperkalemia
Emergent Hyperkalemia Treatment Algorithm
ECG changes, weakness, K+ >6.5 Or renal insufficiency with K >5.5 with cellular
Emergent Hyperkalemia ... ECG changes, weakness ... injury, etc) ECG ... cardiac membrane Shift ... Remove potassium
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... • Recent IV potassium ... Intracellular Shift ... - Tumor lysis syndrome ... #causes #potassium
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
patients with hypokalemia ... creatinine) • Cell shift ... #hypokalemia ... #urine #potassium ... differential #algorithm #diagnosis