40 results
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Lesions) • Fifth Disease ... & Symmetrical Rash ... (Measles- like rash ... Articular - Acute ... #Orthopedics #Causes
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... - Trauma - Infection ... Sjogren's, GPA, EGPA, Microscopic ... : • Complete blood ... • Fecal occult blood
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Algorithmic Approach to Acute ... (<10%): fever, rash ... eosinophiluria, microscopic ... MatthewHoMD #Acute ... AIN #Algorithm #nephrology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
early localized disease ... called "Bazin's disease ... children with acute ... observed in acute ... multiforme • Acute
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Disease Associations ... are seen in acute ... Red blood cell ... Urinary tract infections ... #Differential #Microscopy
Acute Purpura Fulminans Skin Rash on Physical Exam 
60 year old male ITP s/p splenectomy 
1d
Acute Purpura Fulminans ... rigors, diarrhea, nausea ... Your blood cxs identify ... - BIDMC Infectious ... Diseases Fellowship
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
urine • 1ml blood ... basement membrane disease ... of glomerular disease ... #urology #nephrology ... #renal #urine #blood
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
tubular cells - Acute ... - Renal infection ... protein indicating acute ... Urinary tract infection ... key #diagnosis #nephrology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Maculopapular rash ... Polyarteritis nodosa • Microscopic ... vasculitis (inflamed blood ... #dermatology #rash
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 ... chronic kidney diseases ... #nephrology #interpretation