21 results
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
production -> Corneal ... conjunctiva and cornea ... dryness of the cornea ... #Xeropthalmia #pathophysiology ... ophthalmology #diagnosis #signs
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Proptosis -> Exposes cornea ... -> Corneal drying ... Orbital #Cellulitis #pathophysiology ... ophthalmology #diagnosis #signs
Acute Rheumatic Fever: Pathogenesis and Clinical Findings

Delayed autoimmune reaction
-> Molecular mimicry
-> GAS antigen cross-reacts with host
->
-> Sydenham's Chorea ... RheumaticFever #pathophysiology ... #diagnosis #signs
Swirling flow of aqueous humor
Aqueous humor flows from the posterior chamber of the eye to the
Swirling flow of ... Aqueous humor flows ... chamber, behind the cornea ... ophthalmology #pathophysiology ... #Anatomy #flow
Aqueous Humor Production and Drainage
 • Provides nutrition, removes wastes, and transports neurotransmitters to the avascular
avascular lens and cornea ... Pathway (~60-80 % of flow ... Schlemm's Canal -> Flows ... ciliary body -> Flows ... #Pathophysiology
Pediatric SVT - Management Algorithm
Identify SVT:
 • HR not variable
 • Abrupt rate changes
 • Infants:
SVT - Management Algorithm ... Older children: blow ... Signs of shock or ... tachycardia #Management #Algorithm ... peds #Pediatric #treatment
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Differential Diagnosis Algorithm ... Responsive to Treatment ... growth, response to treatment ... Classification #pathophysiology ... #differential #algorithm
Assessment and Treatment of Severe Asthma, According to Inflammatory Phenotypes, in Patients without a Response to
Assessment and Treatment ... a Response to Core ... Asthma #Severe #Algorithm
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... WBC >100k, + lab signs ... Lysis Syndrome: • Pathophysiology ... , Elevated Cr, Low ... calcium • Treatment
Polycythemia Vera (PV) - Diagnosis and Management Summary
Diagnostic Criteria:
 • Elevated hemoglobin and/or hematocrit AND
 •
OR Abnormally low ... present, symptoms, signs ... Splenomegaly Treatment ... • Treatment is ... • Treatment algorithms