8 results
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
• Urinary casts ... Acute Kidney Injury ... (AKI) FE Na < ... 1% Urine sodium ... #UNa #casts #glucosuria
Acute Kidney Injury - Classification
Prerenal:
 • Dehydration
 • Heart failure (a.k.a. cardiorenal syndrome)
 • Liver failure
Acute Kidney Injury ... - Classification ... tubular necrosis (causes ... obstruction) • Neurogenic ... #Acute #Kidney
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... dipstick, urine ... osmolarity If cause ... • Cardio-renal syndrome ... imaging #Acute #Kidney
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... volume-based algorithm Urine ... : SIADH, Renal Sodium ... Cirrhosis, Nephrotic syndrome ... diagnosis #table #sodium
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
Hyponatremia (<135 ... lower than 80% in cases ... in blood urea causes ... collecting duct in the kidneys ... Measured urine sodium
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
is usually caused ... vast majority of cases ... Measure urine osmolality ... demyelination syndrome ... management #nephrology #sodium
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Management Summary Causes ... Hyperuricemia • Hyponatremia ... + myoglobin AKI ... Cast formation: ... nephrotoxicity to kidney
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Dehydration - Loss of sodium ... conditions - Neurogenic ... heat illness → Hypernatremia ... involvement: Muscles, Kidneys ... Rhabdomyolysis - AKI