19 results
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... /kg) • Water and ... #Differential # ... Diagnosis #Algorithm #causes ... #nephrology
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
Causes of Polyuria ... - Differential ... Mimics (↑ urine ... #Differential # ... #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... - Differential ... water loss, Serum Sodium ... diuresis (see Polyuria ... Hypernatremia #Nephrology
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
CNS: parietal ... lesions (e.g. stroke ... • Epilepsy • Psychiatric ... Syndrome #diagnosis #neurology ... #differential
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... treat underlying cause ... Pulmonary Diseases, CNS ... Algorithm #diagnosis #nephrology ... #sodium
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central ... Vestibulocochlear Nerve (CN ... - Strong Medicine ... #differential # ... diagnosis #neurology
Urine Color - Differential Diagnosis
Red Urine:
 • Medical conditions: bleeding, porphyria, factitious disorder
 • Meds: rifampin,
Urine Color - Differential ... coingested with rhubarb and ... : • Any cause of ... - Strong Medicine ... discoloration #nephrology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... Hematuria: • Stone ... microscopic and ... #Hematuria #Differential ... #urology #nephrology
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
: • Causes can ... promoting passive sodium ... Saline: • If Urine ... bolus of 0.9% NS ... #hyponatremia #nephrology
SIADH Treatment Options
1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
administered • This can cause ... promoting passive sodium ... • If Urine osmolality ... Hypotension, Increased urine ... #hyponatremia #nephrology