22 results
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
deposit of immune complexes ... • They can cause ... Cryoglobulins Cause ... #classification ... #rheumatology #
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of types ... Allergen-specific lgE causes ... Antigen-antibody complex ... Antigen-antibody complexes ... allergy #table #classification
Vasculitis - Break down based on vessel size 
Distribution of vessel involvement by large vessel vasculitis,
Vasculitis - Break ... although immune complex ... can affect any type ... #Diagnosis #Rheumatology ... Medium #Large #Classification
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Differential Diagnosis Algorithm ... insufficiency • Vasculitis ... • Bleomycin Hematologic ... Viral - Herpes simplex ... #causes
Von Willebrand Disease Classification
Type 1 (Accounts for ~3/4 of cases):
 • Defect: Quantitative defect (i.e. not
Willebrand Disease Classification ... for ~3/4 of cases ... Accounts for <5% of cases ... VonWillebrand #Disease #Classification ... #hematology
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Causes of Lactate ... The most common causes ... - Many other causes ... Causes of elevated ... Causes of Lactate
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
cell surfaces causes ... antigen-surface complex ... antibody-antigen complexes ... exposure to allergen causes ... #Classification
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... immunofluorescence Immune Complex ... Glomerulonephritis #Vasculitis ... differential #diagnosis #algorithm ... #rheumatology
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
protein receptor type ... activin A receptor type ... multifactorial mechanisms Hematologic ... neurofibromatosis, vasculitis ... #Differential #Causes
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Differential Diagnosis Algorithm ... Infection - Vasculitis ... Work Up: • Complete ... #Causes #dermatology