14 results
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cold Agglutinin ... Cold Agglutinins ... Cryoglobulins (Vasculitic ... Positive Coombs testing ... temperatures by fixing complement
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Differential Diagnosis Algorithm ... Agglutination - Cold ... agglutinins disease ... cardiac valve, vasculitis ... workup #hematology #testing
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitis and Vasculitides ... tract, and often causes ... often involved • Hypocomplementemic ... Urticaria and hypocomplementemia ... against MPO • Complement
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Causes of Extravascular ... Differential Diagnosis Algorithm ... Warm AIHA • Cold ... perfringens - Complement-Mediated ... • Cold AIHA
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... staining): • Low Complement ... Idiopathic • Normal Complement ... Glomerulonephritis #Vasculitis ... differential #diagnosis #algorithm
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Differential Diagnosis Algorithm ... Claudication) - Cold ... Hyperemia Spasm • Vasculitis ... Air Embolism • Vasculitis ... #Orthopedics #Causes
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
therapy - Number one cause ... negative IE - Could ... -> Serological Testing ... - Could this ... Diagnosis #Management #Algorithm
Recommended initial testing for patients being evaluated for glomerular disease 

24-hour urine collection - Quantify proteinuria.
Recommended initial testing ... or alternative complement ... infections are common causes ... for ANCA-related vasculitis ... #glomerular #testing
Newer Syphilis Reverse Algorithm 

The advent of newer, faster 
treponemal antibody tests have 
allowed high-throughput of
Syphilis Reverse Algorithm ... first step in the algorithm ... of inflammation caused ... for new and old ... #Testing #Diagnosis
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
dysfunction, muscle wasting ... meninges in spinal cord ... nerve roots Spinal Cord ... Meningitis • Include: vasculitis ... neurological symptoms • Caused