8 results
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Antiarrhythmics ... current) causing ↓SA ... accpcardprn #Antiarrhythmics ... Vaughan #Williams #Pharmacology ... Classification #Classes #pathophysiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics ... Pharmacology Summary ... current) causing ↓SA ... #Pharmacology # ... Classification #Classes #pathophysiology
Periorbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Dacryoadenitis: infection of the lacrimal glands
b. Conjunctivitis: inflammation of the
of the lacrimal sac ... junction of lacrimal sac ... Periorbital #Cellulitis #pathophysiology ... #ophthalmology ... diagnosis #signs #symptoms
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
Acute Closed Angle ... lights are a key symptom ... Photophobia #Acute ... ClosedAngle #Glaucoma #pathophysiology ... #ophthalmology
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
trucking" • Acute ... Occlusion #CRAO #pathophysiology ... #ophthalmology ... diagnosis #signs #symptoms
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
vasoconstrictive • Acute ... #Retinopathy #pathophysiology ... #ophthalmology ... diagnosis #signs #symptoms
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
- Autonomic symptoms ... subarachnoid hemorrhage (SAH ... headache: - Acute ... differential #diagnosis #ophthalmology
Benzodiazepine (BZD) withdrawal: clinical findings and complications

 • Activation of ACC and OFC -> Feelings of
Activation of PAG ... BZD #withdrawal #pharmacology ... #pathophysiology ... diagnosis #signs #symptoms