21 results
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
to complement activation ... Complement activation ... Hypersensitivity #Types #Classification ... #Pathophysiology ... Diagnosis #Reactions #Table
TRALI vs TACO - Transfusion Reactions
TRALI:
 • Epidemiology: 0.1% of transfused patientsl
 • Risk factors: Critical
Risk factors: Critical ... blood donor • Pathophysiology ... sequestration and activation ... without other cause ... diagnosis #comparison #table
Hepatorenal Syndrome (HRS)

Definition:
• Functional, potentially reversible kidney impairment.
• Occurs in advanced liver disease: cirrhosis, severe alcoholic
Caused by splanchnic ... Pathophysiology: ... Diagnosis (Clinical ... Exclude other AKI causes ... Classification:
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of ... Allergen-specific lgE causes ... to complement activation ... types #allergy #table ... #classification
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
Pathogenesis and clinical ... exposure to allergen causes ... because T-Cell activation ... Allergy #Immunology #pathophysiology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... →Activation of CD8 ... accumulation of clinical ... Assessment • Clinical ... Drugs, Unknown cause
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... Inhibit B.adrenergic activation ... #Pharmacology #Classification ... #Classes #pathophysiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Vaughan Williams Classification ... Inhibit B.adrenergic activation ... #Pharmacology #Classification ... #Classes #pathophysiology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Lung Abscess Pathophysiology ... Lung Abscess - Clinical ... shows a small, stable ... #differential #causes
Alexia Without Agraphia
Alexia without agraphia is a disconnection syndrome where patients cannot read but can write.
the most common cause ... Pathophysiology: ... angular gyrus Clinical ... Alexia #Agraphia #clinical ... neurology #diagnosis #pathophysiology