23 results
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... urine • 1ml blood ... Malignancy • Trauma ... #Hematuria #Differential ... #renal #urine #blood
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
of Hematuria - Differential ... Algorithm Red blood ... cells on urine microscopy ... below) • Trauma ... with polyangiitis/microscopic
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
: Trauma, coagulopathy ... tumor • Non-bloody ... neuropathy so trauma ... Like in this case ... approach #workup #differential
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
heme-granular casts are ... disease Red blood ... Glomerulonephritis White blood ... Urinary #Casts #Differential ... #Microscopy #Diagnosis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... hemorrhage, which are ... integrity: - Trauma ... Sjogren's, GPA, EGPA, Microscopic ... : • Complete blood
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... How many joints are ... of inflammation are ... Noninflammatory • Trauma ... Joint #pain #Differential
Schistocytes - The arrows point to schistocytes which are fragmented red blood cells. Also called schizocytes,
fragmented red blood ... Schistocytes are ... In the right photo ... is mechanical trauma ... Path #BloodSmear #Blood
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... PR3-ANCA): • Microscopic ... pulses, bruis, or blood ... Large Vessel: Blood ... Dx: GPA, EGPA, microscopic
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Using fluorescence microscopy ... The ANA patterns are ... Juvenile Idiopathic Arthritis ... What diseases are ... rheumatology #diagnosis #differential
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
of the joints (arthritis ... of the joints (arthritis ... Neutrophilic rheumatoid arthritis ... : - Biopsy - Microscopic ... neutrophils in the blood