8 results
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
- Differential Diagnosis ... diuresis (see Polyuria ... mannitol, glucosuria Low ... Urine Osmolality ... #Nephrology #Differential
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
- Differential Diagnosis ... • Central Dl (Low ... Mimics (↑ urine ... - Strong Medicine ... #Causes #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... Algorithm 1) Check Urine ... • Euvolemic (Low ... Conn syndrome, Cushing ... Workup #Algorithm #nephrology
Hepatorenal Syndrome Diagnosis
 • ↑ in serum Cr of ≥ 0.3mg/dL above baseline
Hepatorenal Syndrome Diagnosis ... proteinuria) • ↓ urine ... ) • Low urine ... - Strong Medicine ... #HRS #nephrology
Cushing's Syndrome - Hypercortisolism - Diagnosis and Clinical Features
1) Skin
 • Thin, easily bruisable skin with
purple abdominal striae ... hyperglycemia —+ mild polyuria ... is decreased), hypernatremia ... ↑ 24-hour urine ... levels following a low-dose
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
: Differential Diagnosis ... diuretic effect has ... hyperaldosteronism) • Severe Cushing ... #Differential #Diagnosis ... #Causes #nephrology
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
How do you work ... suspicion) • +/- bubble ... ischemic #CVA #stroke ... #workup #diagnosis ... #checklist #neurology
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
- Differential Diagnosis ... Heat injury, Heat stroke ... Hyperuricemia • Hyponatremia ... output: 200 ml/hr ... causes #treatment #nephrology