13 results
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... transfusion • Tumor ... , Renin High: ... #algorithm #nephrology ... #potassium #differential
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Diagnosis Algorithm ... Renin-secreting tumor ... #nephrology #causes ... #low #potassium
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Extra-renal Losses: • Normal ... Syndrome • HTN, High ... Renin secreting tumor ... #causes #potassium ... #low #nephrology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Renin secreting tumor ... syndrome Low-normal ... #differential # ... algorithm #diagnosis ... #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Hypophosphatemia - Differential ... Diagnosis Framework ... bone syndrome, Tumor ... or High PTH: Primary ... Low PTH: - High
Causes of Dementia / Cognitive Impairment - Differential Diagnosis Algorithm

Affecting Multiple Domains
 • Depression
 • Delirium
Decline
Diagnosis Algorithm ... Treatable Causes • Normal ... Drug Abuse • Tumor ... Extrapyramidal Features • Parkinson's ... CognitiveImpairment #Dementia #Neurology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
urinary losses: • High ... consumption • Low/Normal ... #Hypokalemia #diagnosis ... #Algorithm #differential ... #potassium #nephrology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Young females Differential ... Diagnosis: • CN ... trauma/orbital tumor ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Diagnosis Framework ... phlebotomy High ... #potassium #high ... #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Diagnosis Framework ... phlebotomy High ... #potassium #high ... #nephrology