15 results
Adrenal Insufficiency Diagnosis Algorithm
Clinical features: 
 - Weight loss, anorexia, Weakness, fatigue, GI distress
 - Hypotension,
Diagnosis Algorithm ... hypoglycemia, Hyponatremia ... , hyperkalemia, ... findings (see algorithm ... #StimTest #Endocrinology
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Weakness, fatigue, nausea ... , hypotension, hyponatremia ... , hyperkalemia, ... hormone (ACTH) stimulation ... #endocrinology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Differential Diagnosis Algorithm ... Pain/Post-op • Neurologic ... Malignancy True hypovolemia ... #Causes
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Differential Diagnosis Algorithm ... Pain/Post-op • Neurologic ... Malignancy True hypovolemia ... #Causes
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis ... Algorithm UOsm ... EABV) - Consider: Hypovolemia ... solute intake, Renal ... #causes #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... Differential Diagnosis Algorithm ... Hypovolemia, UNa ... wasting syndrome Hypovolemia ... #Causes #nephrology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Algorithm for patients ... B2-adrenergic stimulation ... ↑ Aldosterone: Adrenal ... #differential #algorithm ... #diagnosis #nephrology
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Diagnosis Algorithm ... Syndrome, Congenital Adrenal ... Gitelman's syndrome #Hypokalemia ... #nephrology #causes
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Diagnosis Algorithm ... unclear (often the case ... Stim test is 250 mcg ... #ACTH #Stimulation ... #Test #Endocrinology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... of hypotonic hyponatremia ... normal volume-based algorithm ... Present (Uosm ≥100): Hypovolemia ... table #sodium #nephrology