22 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
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
and ECG changes ... blocks, QRS axis shift ... #potassium #high ... #diagnosis #management ... #algorithm #treatment
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
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... phlebotomy High ... Intracellular Shift ... - Tumor lysis syndrome ... #high #nephrology
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
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... phlebotomy High ... Intracellular Shift ... - Tumor lysis syndrome ... #high #nephrology
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 ... Periodic #Paralysis #diagnosis
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
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... immature blasts and high ... hydration - Hyperkalemia ... unless worrisome EKG ... #TLS #diagnosis