20 results
Short Stature - Differential Diagnosis Algorithm
Normal Variant, Normal Puberty Onset (BA = CA)
 • Familial Short
- Differential Diagnosis ... • Congenital Adrenal ... CRF) • Infection ... Chronic UTI) • ... #Differential #Diagnosis
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis Algorithm
Neoplasm:
• NHL
• Hodgkin's lymphoma
• Leukemia
• Solid
- Differential Diagnosis ... Cholangitis • UTI ... • Protozoa (eg ... UnknownOrigin #FUO #Chronic ... #Differential #Diagnosis
Procalcitonin Limitations - Situations where PCT can be misinterpreted:
- Single value testing
- AKI/CKD
- Pancreatitis
- Cancers/Neoplasms
- Trauma
-
Burns - Localized infections ... (e.g. ... SSTI, UTI) - Atypical ... pathogens (e.g. ... Limitations #PCT #Diagnosis
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
- Differential Diagnosis ... Malignancy - CNS infections ... cisplatin) - Chronic ... hypercalcemia - Chronic ... #Differential #Diagnosis
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Adrenal Insufficiency ... case) then go to stim ... Standard Stim test ... is 250 mcg of IV ... intravenous (IV) injection
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
- Differential Diagnosis ... Insufficiency • Adrenal ... • Malignancy Infectious ... • Drug Abuse (e.g ... #Differential #Diagnosis
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
- Differential Diagnosis ... Disease (e.g. ... Renal Disease, Liver ... Infection) High ... #Differential #Diagnosis
Malignant Adrenal Mass - Differential Diagnosis Algorithm
Suggestive of Malignancy: Inhomogenous Density, Delay in CT Contrast Washout
- Differential Diagnosis ... Hypointense to Liver on TI ... Releasing Carcinoma (e.g ... Other Source (e.g ... #Differential #Diagnosis
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
- Differential Diagnosis ... • Fever • UTI ... HSP • Post-infectious ... Protein deposition (eg ... #Differential #Diagnosis
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
- Differential Diagnosis ... SGLT2 inhibitors (e.g ... Nephrogenic DI (Renal ... urine volume): • UTI ... #Differential #Diagnosis