6 results
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
RBC) Morphology ... Hemoglobin C Crystals ... Diseases #Red #BloodCell ... #RBC #Morphology ... #differential #
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... • 1ml blood/liter ... : • Urethritis ... #Differential # ... #blood
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
Microscopic exam ... • Crystals ... (RBC) ... Acute Kidney Injury ... casts #glucosuria #hematuria
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
polarized light microscopy ... intracellular urate crystals ... the presence of anemia ... • Serum and urine ... ANA and RF (if clinical
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
multiplex • Hematuria ... PR3-ANCA): • Microscopic ... pulses, bruis, or blood ... Large Vessel: Blood ... Lab Tests: • CBC
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
) Suspect: Clinical ... permanent alopecia Differential ... non-nephrotic proteinuria, hematuria ... edema, active urine ... lymphopenia, low PLT • Anemia