211 results
Type I Hypersensitivity: Pathogenesis and clinical findings
Definition: Production of lgE Antibodies that bind to harmless allergens
Pathogenesis and clinical ... Antibodies that bind ... leading to an allergic ... Sensitization" to Allergen ... complexes bind
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
Pathogenesis and clinical ... mediated; exposure to allergen ... causes development ... of allergen-specific ... Allergic reaction
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
of lgE Abs that bind ... leading to an allergic ... cell surfaces causes ... leading to an allergic ... causes development
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Mechanism of Action: Allergen-specific ... lgE causes mast-cell ... lgM antibodies bind ... reactions #types #allergy
Internal Jugular Vein Rouleaux Flow on POCUS

Amazing video of a dilated IJV showing Rouleaux flow. Whenever
Rouleaux Flow on POCUS ... significantly, it causes ... for underlying cause ... Jugular #IJ #Vein #POCUS ... #vascular #clinical
Type III Hypersensitivity: Pathogenesis and clinical findings
Definition: Small antigen-antibody complexes (produced from normal immune response to
Pathogenesis and clinical ... self-antigens are the cause ... antigens are the cause ... HypersensitivityReaction #Allergy
The infant with tachypnea or wheeze - Clinical Conditions to Consider
 - Bronchiolitis 
 - Pneumonia
tachypnea or wheeze - Clinical ... family history of allergy ... disorder - Other causes
Type II Hypersensitivity: Pathogenesis and clinical findings
Definition: When antigens bind to the body's cell surfaces, forming
Pathogenesis and clinical ... When antigens bind ... HypersensitivityReaction #Allergy
Clinical manifestations of anaphylaxis. 
Neurological (<15%): Dizziness, syncope, seizures, Confusion, impending doom. headache
Angioedema: Lips, tongue, orbit,
Clinical manifestations ... arrest GI (>40%): Nausea ... diagnosis #criteria #allergy
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
Guidelines for Crises ... 39 C this is a clinical ... maintained fever CAUSES ... transfusion • Allergic ... #Differential #Causes