27 results
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
Infiltrative disorders (e.g ... - Medications (e.g ... diseases (e.g. ... #Diagnosis #Table ... #Causes
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Hyporeflexia: • Hypercalcemia ... polyneuropathy (e.g ... #differential # ... diagnosis #table ... #neurology
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Renal artery stenosis ... #Differential # ... Algorithm #Diagnosis #Causes ... #Workup #Nephrology
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
Common causes of ... vasoconstriction (e.g ... thromboembolism, renal ... AIN) • Drugs (e.g ... #Diagnosis #nephrology
Classification of Diabetes Insipidus

Central or neurogenic diabetes insipidus:
 - Congenital - Structural malformations affecting the hypothalamus
metastases, Infection (e.g ... Acquired - Primary renal ... (e.g., hypokalemia ... disease, Drugs (e.g ... Classification #Types #Nephrology
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
and Differential ... risk factors (eg ... hypertension (eg ... hypertension (eg ... #causes #Differential
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Pain/Post-op • Neurologic ... • Drugs • Pulmonary ... GI losses • Renal ... Uosm < 100 mmol/kg ... #Hyponatremia #Nephrology
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Malignancy (e.g ... CNS pathology (e.g ... pathology (e.g. ... #Diagnosis #Table ... #Causes #Sodium
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Pain/Post-op • Neurologic ... • Drugs • Pulmonary ... GI losses • Renal ... Uosm < 100 mmol/kg ... #Hyponatremia #Nephrology
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Metabolic • Renal ... Liver Failure • Hypercalcemia ... Chronic Obstructive Pulmonary ... Disease Neurologic ... • Drug Abuse (e.g