14 results
Differential Diagnosis and Evaluation of Hyponatremia:
1) Identification of onset (acute vs. chronic)
2) Presence of symptoms (HA,
symptoms (HA, nausea ... cardiac, liver, renal ... #EM #IM #Nephro ... #Differential #Algorithm ... #Ddxof
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
- Differential Diagnosis ... Algorithm ADH ... - GI losses, renal ... Hypothyroidism, adrenal ... #Algorithm #causes
Adrenal Insufficiency Diagnosis Algorithm
Clinical features: 
 - Weight loss, anorexia, Weakness, fatigue, GI distress
 - Hypotension,
Diagnosis Algorithm ... Weakness, fatigue, GI ... - Unexplained hypoglycemia ... findings (see algorithm ... Stimulation #StimTest #Endocrinology
Hypoglycemia - Differential Diagnosis Algorithm
Fasting Hypoglycemia:
 • Excess Insulin
 • Medications (e.g. Insulin Secretagogues, ß-Adrenergic Antagonists,
Diagnosis Algorithm ... Idiopathic Other Causes ... Hypopituitarism • Adrenal ... #Algorithm #endocrinology ... #causes
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Malignancy True hypovolemia ... • Bleeding • GI ... Hypothyroidism • Adrenal ... #Algorithm #Causes
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Malignancy True hypovolemia ... • Bleeding • GI ... Hypothyroidism • Adrenal ... #Algorithm #Causes
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Differential Diagnosis ... Algorithm Clinical ... Weakness, fatigue, nausea ... hyperpigmentation, hypoglycemia ... #Algorithm #endocrinology
Algorithm and Differential Diagnosis of Macroscopic Hematuria
Important Historical Elements:
- Painless: suggests malignancy
- Painful: suggests calculi/infection
- Urinalysis:
Algorithm and Differential ... RBC’s, RBC/WBC casts ... suggest intrinsic renal ... #EM #IM #Urology ... #Ddxof
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
- Differential Diagnosis ... Algorithm Transcellular ... Increased Excretion - GI ... #Algorithm #endocrinology ... #causes
Short Stature - Differential Diagnosis Algorithm
Normal Variant, Normal Puberty Onset (BA = CA)
 • Familial Short
Algorithm Normal ... • Congenital Adrenal ... Chronic Disease • GI ... #Algorithm #endocrinology ... #causes #pediatrics