83 results
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Diagnosis Algorithm ... • Refeeding syndrome ... Medications Renal ... Losses Non-renal ... nephrology #low #potassium
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... Extra-renal Losses ... loss (Diarrhea) Renal ... Algorithm #causes #potassium
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Diagnosis Poor ... Mineralocorticoid excess - Renal ... #Differential #Diagnosis ... #Low #Potassium ... #Table #Classification
Classification of Tumor Lysis Syndrome (TLS) and Treatment of Metabolic Abnormalities of TLS
Laboratory TLS:
 • Uric
of Tumor Lysis Syndrome ... 8.0 mg/dL • Potassium ... Intravenous fluids • Renal ... #TumorLysis #Syndrome ... #TLS #diagnosis
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Diagnosis Algorithm ... oral intake Renal ... Nonreabsorbable anions • Renal ... • Gitelman's syndrome ... • Bartter's syndrome
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... algorithm Decreased renal ... • Acute renal ... failure • Chronic renal ... high: • Post-renal
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
- Differential Diagnosis ... gastrointestinal K loss • Renal ... • Renal tubular ... #differential #diagnosis ... causes #nephrology #potassium
Hypomagnesemia (Serum level < 1.7 mg/dL)
Neuromuscular manifestations 
 • Tremor, tetany, seizures 
 • Weakness
dysrhythmias Hypokalemia ... • Renal potassium ... metabolism • Hypocalcemia ... Signs #Symptoms #Diagnosis
Causes of Hyperkalemia

Hyperkalemia is caused by excess potassium intake, impaired potassium excretion, or transcellular shifts. The
caused by excess potassium ... intake, impaired potassium ... with impaired renal ... and underlying renal ... dysfunction is common #Diagnosis
Drugs that Impair Renal Potassium Excretion 

Decreased ENaC channel function: Amiloride, Triamterene, Pentamidine
Decreased Aldosterone Synthesis: Heparin,
Drugs that Impair Renal ... Potassium Excretion ... happypillsrx/ #Hyperkalemia ... Pathophysiology #Pharmacology ... #Renal