9 results
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
Urinalysis & Urine ... Microscopic exam ... < 1% Urine sodium ... > 2% Urine sodium ... #UNa #casts #glucosuria
Urine Color - Differential Diagnosis
Red Urine:
 • Medical conditions: bleeding, porphyria, factitious disorder
 • Meds: rifampin,
Urine Color - Differential ... : • Any cause of ... dyes typically cause ... #Diagnosis #urinalysis ... discoloration #nephrology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
can induce color ... sediment Microscopic ... (Urinalysis or ... microscopic and ... #urology #nephrology
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
and Diagnosis Algorithm ... Confirm hematuria → Urinalysis ... → Refer to Nephrology ... if cause not identified ... #Workup #urology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Injury - AKI Workup Algorithm ... microscopy / urinary ... osmolarity If cause ... Differential #Diagnosis #nephrology ... #causes
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
CBC w/ diff - Urinalysis ... /microscopy/UOP/ ... weights - Urine ... AcuteKidneyInjury #AKI #Nephrology ... #Diagnosis #Algorithm
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
promoting passive sodium ... bacteria in the colon ... Saline: • If Urine ... osmolality < 538 AND UNa ... #hyponatremia #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... normal volume-based algorithm ... Urine Na+K / serum ... or Ineffective (UNa ... #nephrology
SIADH Treatment Options
1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
Treat underlying cause ... promoting passive sodium ... bacteria in the colon ... osmolality < 538 AND UNa ... #hyponatremia #nephrology