37 results
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Hyporeflexia: • Hypercalcemia ... polyneuropathy (e.g ... #differential # ... diagnosis #table ... #neurology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... • Drugs • Pulmonary ... Uosm < 100 mmol/kg ... #Hyponatremia #Nephrology
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
in Wonderland Syndrome ... • Infection (e.g ... Brain lesions (e.g ... #diagnosis #neurology ... #differential
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... • Drugs • Pulmonary ... Uosm < 100 mmol/kg ... #Hyponatremia #Nephrology
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Cirrhosis Syndrome ... - Malignancy (e.g ... pathology (e.g. ... #Diagnosis #Table ... #Causes #Sodium
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
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
Common causes of ... vasoconstriction (e.g ... inhibitors, hepatorenal syndrome ... AIN) • Drugs (e.g ... #Diagnosis #nephrology
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Liver Failure • Hypercalcemia ... Chronic Obstructive Pulmonary ... Disease Neurologic ... • Drug Abuse (e.g ... Chronic Fatigue Syndrome
Causes of Excessive Daytime Sleepiness - Differential Diagnosis Algorithm
Insufficient Sleep
 • Poor Sleep Hygiene
 • Insomnia
Shift Work) Sleep ... Disorders • Neurologic ... Disorders (Eg. ... • Medications (Eg ... • Drug Abuse (Eg
Classification of Diabetes Insipidus

Central or neurogenic diabetes insipidus:
 - Congenital - Structural malformations affecting the hypothalamus
metastases, Infection (e.g ... uropathy, Metabolic causes ... (e.g., hypokalemia ... disease, Drugs (e.g ... Classification #Types #Nephrology