29 results
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
causes development ... Particular CD4+ Th cells ... harmful -> Th Cells ... macrophages, mast cells ... #Immunology #pathophysiology
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Soluble antigen - Allergen-specific ... When the specific allergen ... Hypersensitivity #Types #Classification ... #Pathophysiology ... #Allergy #Diagnosis
Shock Classification Types - Pathophysiology Comparison

Obstructive Shock:
 • Obstructive shock is characterized by a blockage in
Shock Classification ... Types - Pathophysiology ... in blood flow caused ... Depends on the cause ... #Shock #Types #Pathophysiology
Bell's Phenomenon on Physical Exam

Carles Bell realized that when trying to close the eye on the
Bell's Phenomenon ... Physical Exam Carles ... neurologiabr #Bells ... #Phenomenon #Sign ... #PhysicalExam #ophthalmology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophilia, 500-1,500 cells ... for secondary causes ... eosinophilia (common causes ... are asthma, allergy ... organ-specific signs
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Mechanism of Action: Allergen-specific ... lgE causes mast-cell ... T-cells recruit ... reactions #types #allergy ... #table #classification
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
mutated in all cells ... Retinoblastoma Signs ... Retinoblastoma #pathophysiology ... #ophthalmology ... #diagnosis #signs
Fat Embolism Syndrome
Trauma to the long bone or pelvis accounts for —9096 of cases. The diagnosis
the long bone or pelvis ... accounts for —9096 of cases ... Pathophysiology ... Syndrome #Diagnosis #Signs
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
some red blood cells ... • Signs/Symptoms ... • Signs/Symptoms ... - The classic signs ... • Pathophysiology
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
hyalinization causes ... BRB breakdown causes ... #Retinopathy #pathophysiology ... #ophthalmology ... #diagnosis #signs