9 results
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
When the specific allergen ... antigen, leading to complement ... Complement activation ... #Classification ... Diagnosis #Reactions #Table
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... glomerulonephritis, type ... 1 (50%-80%), type ... #Low #Complement ... Mnemonic #diagnosis #differential
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of ... lgE causes mast-cell ... they activate complement ... #allergy #table ... #classification
Angioedema - Classification Diagnosis and Treatment
Types of Angioedema:
 • Acute allergic angioedema - Usually occurs with
Angioedema - Classification ... and Treatment Types ... cell-mediated in > 90% of cases ... #Types #Diagnosis ... #Treatment #management
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... tubular acidosis (Types ... and 2, but not type ... Low #Potassium #Table ... #Classification
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... often involved • Hypocomplementemic ... Urticaria and hypocomplementemia ... against MPO • Complement ... #rheumatology #classification
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Diagnosis and Management ... in case of PCN allergy ... Lung Abscess Differential ... Abscess #pulmonary #differential ... #causes #management
Hypereosinophilia Syndrome (HES) - Diagnosis and Management
Definition: An absolute eosinophil count (AEC) greater than 1500 and
Diagnosis and Management ... eosinophilia Secondary Causes ... : - Allergic disorders ... disorders HES Types ... diagnosis #hematology #differential
6/02/2022 UPDATE: This assay is designed to detect non-variola orthopoxviruses, including monkeypox virus. It is not
monkeypox virus or to differentiate ... 2022-lab-advisory-CLARIFICATION-CDC_Publishes_Non-variola_Orthopoxvirus_PCR_Testing_Procedure ... The type of specimen ... See table below ... all HIGH RISK CASES