40 results
Differential Diagnosis and Evaluation of Hyponatremia:
1) Identification of onset (acute vs. chronic)
2) Presence of symptoms (HA,
Differential Diagnosis ... symptoms (HA, nausea ... cardiac, liver, renal ... #EM #IM #Nephro ... Differential #Algorithm #Ddxof
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup and Diagnosis ... → Refer to Nephrology ... for renal biopsy ... cystoscopy • Refer to Nephrology ... by UW IM Residency
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Pain/Post-op • Neurologic ... GI losses • Renal ... Hypo-osmolar urine ... #Nephrology #Differential
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Pain/Post-op • Neurologic ... GI losses • Renal ... Hypo-osmolar urine ... #Nephrology #Differential
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... Osmolarity 2) Urine ... High Uric Acid → renal ... #Algorithm #nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Based Approach to Hyponatremia ... Na <20: Extra-renal ... SatyaPatelMD #Volume #Hyponatremia ... #algorithm #diagnosis ... #sodium #low #nephrology
Algorithm and Differential Diagnosis of Macroscopic Hematuria
Important Historical Elements:
- Painless: suggests malignancy
- Painful: suggests calculi/infection
- Urinalysis:
and Differential Diagnosis ... RBC’s, RBC/WBC casts ... suggest intrinsic renal ... #EM #IM #Urology ... Differential #Algorithm #Ddxof
Renal Tubular Acidosis - Differential Diagnosis Algorithm
Decreased Serum K, Urine pH < 5.5 - Proximal RTA
Decreased
Renal Tubular Acidosis ... - Differential Diagnosis ... Jain via UNC IM ... #Differential #Diagnosis ... #Algorithm #nephrology
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis ... solute intake, Renal ... #diagnosis #differential ... #algorithm #causes ... #nephrology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
- Differential Diagnosis ... → Diagnostic of ... #Differential #Diagnosis ... #causes #urology ... #nephrology #renal