33 results
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Differential Diagnosis Algorithm ... hyponatremia, hyperkalemia ... • Low or normal ... Differential #Diagnosis #Algorithm ... #endocrinology
Adrenal Insufficiency Diagnosis Algorithm
Clinical features: 
 - Weight loss, anorexia, Weakness, fatigue, GI distress
 - Hypotension,
Diagnosis Algorithm ... Hyponatremia, hyperkalemia ... findings (see algorithm ... around 6-8AM) – if value ... Stimulation #StimTest #Endocrinology
Adrenal Insufficiency Diagnosis Algorithm
Test 1: Baseline AM Cortisol 
 - Beware of major normal value
 -
Adrenal Insufficiency ... Diagnosis Algorithm ... Beware of major normal ... value - variation ... #endocrinology
Renal Tubular Acidosis - Diagnosis Algorithm
 • Hyperkalemic Type 4 RTA
 • Hypokalemic Type 1 RTA
Acidosis - Diagnosis Algorithm ... • Hyperkalemic ... • RTA of renal insufficiency ... Acidosis #Diagnosis #Algorithm ... #nephrology
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - ... Differential Diagnosis Algorithm ... Elevated PTH (High or normal ... Differential #Diagnosis #Algorithm ... #causes #endocrinology
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
Differential Diagnosis Algorithm ... High or Normal ... Malignancy • Normal ... Differential #Diagnosis #Algorithm ... #Workup #nephrology
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... algorithm Decreased ... Nephropathy Renin Normal ... #Diagnosis #algorithm ... #nephrology #potassium
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
Hypercalcemia - ... Differential Diagnosis Algorithm ... Immobilization • Adrenal Insufficiency ... Differential #Diagnosis #Algorithm ... #Endocrinology
Hypercalcemia Evaluation
1) Clinical clues
 - Is the patient symptomatic?
 - Family history?
 - Have you done
Hypercalcemia Evaluation ... 1) Clinical clues ... FeCa <1 %) - Low normal ... • If all normal ... differential #diagnosis #endocrinology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... PseudoHyperkalemia: • Lab ... Suspicion for Hyperkalemia ... deficiency • Renal insufficiency ... potassium #high #nephrology