31 results
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Weakness - Dark urine ... Hyperuricemia • Hyponatremia ... Treatment of underlying ... hour with goal urine ... hyperkalemia or ATN
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Based Approach to Hyponatremia ... Na <20: Extra-renal ... Na >30: Renal losses ... Na > 30: Renal ... SatyaPatelMD #Volume #Hyponatremia
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Osmolarity 2) Urine ... Osmolarity 3) Urine ... High Uric Acid → renal ... Rachel Stern MD #Hyponatremia
Urinary Casts in the setting of renal disease
#Clinical #Nephro #Urine #Microscopy #Casts #Comparison #Chart #ATN #AIN
the setting of renal ... Clinical #Nephro #Urine ... Comparison #Chart #ATN
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - ... Algorithm 1) Check Urine ... mOsm/kg - Implies renal ... , Ingestion Renal ... Hypernatremia:
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... GI losses • Renal ... Hypo-osmolar urine ... osmole intake #Hyponatremia
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... GI losses • Renal ... Hypo-osmolar urine ... osmole intake #Hyponatremia
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
UOP/weights - Urine ... protein/Cr - Renal ... Liano 1996) - ATN ... CKD— 13% (mostly ATN ... and pre-renal)
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
Approach to Hypotonic Hyponatremia ... case of hypotonic hyponatremia ... volume-based algorithm Urine ... ≥100): SIADH, Renal ... Present (Uosm <100): Renal
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
and Treatment ... Hyponatremia is ... Measure urine osmolality ... Treatment: Treatment ... Differential #Diagnosis #Treatment