21 results
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Algorithm Clinical ... , hypotension, hyponatremia ... , hypoglycemia Testing ... ACTH) stimulation test ... insufficiency likely: • High
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic algorithm ... diet • Blood ... Normal, Renin High ... #nephrology #potassium ... #differential
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Acid → SIADH - High ... Uric Acid → renal ... salt wasting By ... #nephrology #sodium
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Hyponatremia - Differential ... Beer Potomania - Low ... Treat with a high ... Hypothyroidism, adrenal ... #causes #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
urinary losses: • High ... syndrome, Congenital adrenal ... #differential # ... potassium #nephrology ... #low
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Diagnosis Algorithm ... Syndrome, Congenital Adrenal ... #nephrology #causes ... #low #potassium
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... Syndrome • HTN, High ... #causes #potassium ... #low #nephrology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Algorithm for patients ... effective arterial blood ... ↑ Aldosterone: Adrenal ... #differential # ... #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... diuresis can be high ... , Adrenal Insufficiency ... Cerebral Salt Wasting ... #differential #
Diagnosis Adrenal Insufficiency - Algorithm

Step 1) Screening Test: 6-8AM Cortisol Level
 - Early morning cortisol levels
Insufficiency - Algorithm ... require Cosyntropin testing ... Step 3) Differentiate ... - Low ACTH is ... pituitary gland) - High