10 results
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
mediated; exposure to allergen ... Allergic reaction ... Initial exposure to allergen ... -> Particular CD4 ... #Immunology #pathophysiology
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 #Pathophysiology ... #Allergy #Diagnosis
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
three primary pathophysiologic ... staining): • Low Complement ... Idiopathic • Normal Complement ... differential #diagnosis #algorithm
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Differential Diagnosis Algorithm ... • Acne • Allergy ... Lymphocytic Leukemia (CBC ... Differential #Diagnosis #Algorithm
Humoral Immunity - Pathogenesis and Clinical Findings
Antigens (Ag) are produced from pathogens (bacteria, viruses, fungi, parasites)
present Ag to CD4 ... activation • Complement ... tagged with C3 complement ... - Activate Complement ... Humoral #Immunity #pathophysiology
Type II Hypersensitivity: Pathogenesis and clinical findings
Definition: When antigens bind to the body's cell surfaces, forming
activates the complement ... HypersensitivityReaction #Allergy ... #Immunology #pathophysiology
Complement 1 esterase inhibitor (C1-INH) Deficiency Testing Algorithm
INDICATIONS FOR TESTING:
 • Recurrent angioedema (without urticaria)
 •
Complement 1 esterase ... Deficiency Testing Algorithm ... ARUPLabs #C1INH #Complement ... Deficiency #Testing #Algorithm ... #allergy #diagnosis
Algorithm for the triage of persons presenting for Pfizer COVID-19 vaccine

From CDC Lecture - What Clinicians
Algorithm for the ... vaccine From CDC ... #coronavirus #algorithm ... #allergy
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess Pathophysiology ... Diagnosis: • CBC ... in case of PCN allergy
Amebiasis - Balamuthia mandrillaris Life Cycle
1) Cysts
2) Trophozoite
3) Mitosis
4) Amebae (cysts and trophozoites) can enter humans
who are immune competent ... LifeCycle #diagnosis #pathophysiology ... infectiousdiseases #cdc