26 results
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Immunological Target: Allergen ... fever, Urticaria, Allergic ... #Allergic #Reactions ... Classification #Diagnosis ... #Definitions
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
Hypersensitivity: Definitions ... leading to an allergic ... leading to an allergic ... Classification #Diagnosis ... #Definitions
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Non-Infectious Differential Diagnosis ... Definition: A ... organizing pneumonia, Pulmonary ... #Differential #Diagnosis ... #pulmonary
Differential Diagnosis of Pulmonary Eosinophilia
Infection:
 • Helminthic: Loffler syndrome (Ascaris, hookworm, Strongyloides), Tropical pulmonary eosinophilia (lymphatic
Differential Diagnosis ... of Pulmonary Eosinophilia ... coccidioidomycosis), Allergic ... Acute chronic pulmonary ... #Differential #Diagnosis
Massive Hemoptysis - Differential Diagnosis Framework and Management
Definition: 150-600 mL over 24 hours
Differential Diagnosis:
 • Tracheobronchial:
- Differential Diagnosis ... and Management Definition ... Differential Diagnosis ... Primary Vascular: Pulmonary ... #Management #pulmonary
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... Syndrome Definition ... Presentation (Pulmonary ... Differential Diagnosis ... #differential #diagnosis
Chronic Obstructive Pulmonary Disease (COPD)
 • COPD Definition
 • Role of PFTs
 • COPD Classification and
Chronic Obstructive Pulmonary ... COPD) • COPD Definition ... #Obstructive #Pulmonary ... Disease #COPD #diagnosis
Tachypnea - Differential Diagnosis Framework

Definitions
 • Tachypnea: Respiratory rate > 20/min, shallow breathing in adults
 •
- Differential Diagnosis ... Framework Definitions ... deep breathing Pulmonary ... #Differential #Diagnosis ... #pulmonary
Differential Diagnosis of Wheezing
 • Extrathoracic (wheezing Is typically inspiratory): Anaphylaxis, Vocal cord pathology, Laryngeal stenosis,
Differential Diagnosis ... Churg-Strauss syndrome, Allergic ... #Differential #Diagnosis ... #Causes #pulmonary
Chronic Thromboembolic Pulmonary Hypertension (CTEPH) and Pulmonary Thromboendarterectomy
Chronic Thromboembolic Pulmonary Hypertension
Definition: mean pulmonary-artery pressure > 25mmHg
Thromboembolic Pulmonary ... Hypertension Definition ... regurgitation) Diagnosis ... defects • Confirm diagnosis ... Thromboendarterectomy #diagnosis