37 results
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Weakness, fatigue, nausea ... hyponatremia, hyperkalemia ... hormone (ACTH) stimulation ... insufficiency likely: • High ... #endocrinology
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Diagnosis Algorithm ... Transcellular Shift ... beta-2 adrenergic simulation ... vomiting) • Low
Adrenal Insufficiency Diagnosis Algorithm
Clinical features: 
 - Weight loss, anorexia, Weakness, fatigue, GI distress
 - Hypotension,
Diagnosis Algorithm ... Hyperpigmented skin (due to high ... ACTH stimulating ... Hyponatremia, hyperkalemia ... #StimTest #Endocrinology
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Failure • Stress (e.g ... Pregnancy, Breast Stimulation ... Prolactin + Normal/ Low ... #Endocrinology ... #Causes
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... Transcellular Shift ... Production - Stimulation ... #causes #potassium ... #low #pathophysiology
The Diagnostic Approach to Hyperkalemia
Drugs
 - Amiloride
 - Spironolactone
 - Triamterene
 - Trimethoprim
 - Pentamidine
 -
Diagnostic Approach to Hyperkalemia ... inhibitors Other causes ... transplant - SLE High ... Ketoconazole Low ... #Algorithm #diagnosis
Diagnosis of Hypokalemia - Differential Algorithm 

Categorized by Causes: Redistribution, Extrarenal Losses, Renal Losses (High and
Diagnosis of Hypokalemia ... Categorized by Causes ... Extrarenal Losses, Renal ... Losses (High and ... Low Blood Pressure
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Differential Diagnosis Algorithm ... Elevated PTH (High ... Low PTH: • Elevated ... Tumors: Lung, SCC, renal ... #causes #endocrinology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Algorithm for patients ... with hypokalemia ... creatinine) • Cell shift ... B2-adrenergic stimulation ... ↑ Aldosterone: Adrenal
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Stim test is 250 mcg ... Measure ACTH: - High ... primary AI - Low ... #ACTH #Stimulation ... #Test #Endocrinology