9 results
Differential Diagnosis and Evaluation of Hyponatremia:
1) Identification of onset (acute vs. chronic)
2) Presence of symptoms (HA,
cardiac, liver, renal ... #EM #IM #Nephro ... #Hyponatremia #Hypovolemic ... #Euvolemic #Hypervolemic ... Differential #Algorithm #Ddxof
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
• Evidence of glomerular ... for renal biopsy ... and referral to Urology ... by UW IM Residency ... #urology #blood
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Workup Algorithm ... unclear AND hypovolaemia ... cryoglobulins, hepatitis serology ... , HIV serology, ... #nephrology #causes
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
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... Present (Uosm ≥100): Hypovolemia ... , Hypervolemia with ... #differential #diagnosis ... table #sodium #nephrology
Membranoproliferative Glomerulonephritis (MPGN) AKA: Mesangiocapillary GN
 • Active Urine Sediment (dysmorphic RBC, RBC casts, +/- proteinuria)
Glomerulonephritis (MPGN) AKA ... dysmorphic RBC, RBC casts ... formation along glomerular ... immune deposits on EM ... #diagnosis #renal
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
disequilibrium syndrome • Diagnosis ... hyperreactivity • Urologic ... Kidney stones caused ... Cardiac arrest • Hypovolemic ... • Treatment of hypervolemic
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
Hyponatremia: • Hypovolemia ... polydipsia • Hypervolemia ... Syndrome, Chronic Renal ... MH/CCF/CWRU EM ... #causes #nephrology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... , RTA Type IV, AI ... reabsorption) Workup ... only if no clear cause ... - Diuresis (hypervolemia