12 results
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Algorithmic Approach to Acute ... sterile pyuria, WBC ... eosinophiluria, microscopic ... hematuria, mild ... AIN #Algorithm #nephrology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
: 3 or more RBC/ ... urine sediment Microscopic ... urine sediment by microscopy ... pain + gross or microscopic ... causes #urology #nephrology
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... repeat testing • Acute ... of UTI, urine WBCs ... → Refer to Nephrology ... cystoscopy • Refer to Nephrology
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... suggestive of acute ... in a variety of acute ... glomerulonephritis • WBC ... #nephrology #interpretation
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
Simplified Approach to Acute ... e.g AEIOU ) or anuria ... require urgent nephrology ... Assess UA w/ microscopy ... for WBCs, RBCs,
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
Guide to Acute Kidney ... - BMP, cap, CBC ... - Urinalysis/microscopy ... AcuteKidneyInjury #AKI #Nephrology
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Dyspnea, Fever, Hematuria ... polyangiitis, Microscopic ... Investigations • Labs: CBC ... differential #diagnosis #nephrology
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
Microscopic exam ... Red blood cells (RBC ... Acute Kidney Injury ... Acute Tubular Necrosis ... casts #glucosuria #hematuria
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Hypercoagulable (APLAS) Microbiology ... Culture (+): Acute ... Leukocytosis, anemia ... , and hematuria,
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Classification: • Acute ... Pleural effusions • Acute ... non-nephrotic proteinuria, hematuria ... lymphopenia, low PLT • Anemia ... titers > 1:80 • CBC