25 results
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Differential Diagnosis Algorithm ... • Drugs • Pulmonary ... polydipsia • Insufficient ... osmole intake #Hyponatremia
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Differential Diagnosis Algorithm ... • Drugs • Pulmonary ... polydipsia • Insufficient ... osmole intake #Hyponatremia
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Adrenal Insufficiency ... Differential Diagnosis Algorithm ... , hypotension, hyponatremia ... Differential #Diagnosis #Algorithm ... #endocrinology
Adrenal Insufficiency Diagnosis Algorithm
Clinical features: 
 - Weight loss, anorexia, Weakness, fatigue, GI distress
 - Hypotension,
Diagnosis Algorithm ... hypoglycemia, Hyponatremia ... findings (see algorithm ... #Diagnosis #Algorithm ... Stimulation #StimTest #Endocrinology
Adrenal Insufficiency - Differential Diagnosis Workup Algorithm
Primary Adrenal Insufficiency:
 • Autoimmune primary adrenal insufficiency
 • Adrenoleukodystrophy,
Adrenal Insufficiency ... Diagnosis Workup Algorithm ... Primary Adrenal Insufficiency ... Diagnosis #Workup #Algorithm ... #endocrinology
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia ... Algorithm Hypertonic ... Hyponatremia: Hyperglycemia ... Hypothyroidism, Adrenal insufficiency ... #Algorithm #diagnosis
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... mmol/L - true hyponatremia ... hypothyroidism • adrenal insufficiency ... renal failure #Hypernatremia ... Diagnosis #Workup #Algorithm
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis ... Algorithm UOsm ... intake, Renal insufficiency ... @NephroMD #hyponatremia ... #differential #algorithm
Adrenal Insufficiency Algorithm - Cosyntropin Stimulation Test
T-1m: Baseline cortisol drawn
T0: 250 µg cosyntropin given IV
T30m: Repeat
Adrenal Insufficiency ... Algorithm - Cosyntropin ... BCM_InternalMed #Adrenal #Insufficiency ... #Testing #Algorithm ... #Stimulation #endocrinology
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Hyponatremia - Differential ... Diagnosis Algorithm ... Hypothyroidism, adrenal insufficiency ... thecurbsiders #Hyponatremia ... Differential #Diagnosis #Algorithm