47 results
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
- Differential ... • Drugs • Pulmonary ... diuretics) With edema ... Uosm < 100 mmol/kg ... #Hyponatremia #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
- Differential ... • Drugs • Pulmonary ... diuretics) With edema ... Uosm < 100 mmol/kg ... #Hyponatremia #Nephrology
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
polyneuropathy (e.g ... Guillain-Barré syndrome ... #differential # ... diagnosis #table ... #neurology
Glomerular Diseases - Nephritic and Nephrotic Syndromes

Nephritic syndrome—due to GBM disruption. 
Hypertension. t BUN and creatinine.
RBC casts in urine ... but in severe cases ... hyperlipidemia edema ... May be 10 (eg direct ... #Proteinuria #Nephrology
Causes of Peripheral Edema - Differential Diagnosis
Increased Hydrostatic Pressure
 • Volume Expansion: Kidney failure, Pregnancy, Medication
Edema - Differential ... Medication side effect (e.g ... Heart failure, Pulmonary ... Cirrhosis, Nephrotic syndrome ... • Filariasis (e.g
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
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
High altitude (eg ... respiratory drive due to neurologic ... edema (most common ... Intrapulmonary shunting (eg ... intracardiac shunting (eg
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
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Edema - Differential ... Causes include: ... level <100 pg/ml EKG ... respiratory distress syndrome ... #edema #NCPE #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