38 results
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
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
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
Hyperaldosteronism - Etiologies of Mineralocorticoid Excess

Primary Hyperaldosteronism (Normal or Low Renin, High Aldosterone) 
 - Aldosterone-secreting
Hyperaldosteronism (Normal ... or Low Renin, High ... or Low Renin, Normal ... Hyperaldosteronism #Differential ... #Diagnosis #Renin
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Liddle syndrome Low-normal ... • Distal RTA Low-normal ... #differential # ... algorithm #diagnosis ... #nephrology
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Diagnosis Algorithm ... + Normal TSH ... Prolactin + Normal ... / Low TSH • Pituitary ... • Bronchogenic Tumor
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
Diagnosis Algorithm ... High or Normal ... Hypercalcemia Low ... PTHrP: - Low ... #Workup #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 Low PTH: ... or Low FGF-23:
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
or high; normal ... or high; normal ... normal; T3 low; ... #hyperthyroid #differential ... #diagnosis #endocrinology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
urinary losses: • High ... /Normal Blood Pressure ... #Hypokalemia #diagnosis ... #Algorithm #differential ... #potassium #nephrology