6 results
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
white or yellow areas ... fiber layer -> Cotton-wool ... around atrophic areas ... #Retinopathy #pathophysiology ... #ophthalmology
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
arterioles -> Cotton-wool ... Hemorrhages • Focal areas ... retinal ischemia causes ... Retinopathy #Diabetes #ophthalmology ... complications #pathophysiology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Differential Diagnosis Algorithm ... Pinpoint areas ... #Causes #dermatology ... #physicalexam
Palpable Skin Crepitus on Physical Exam

Notice these air bubbles under the skin. An 86-year-old woman with
and spaces can cause ... travels from these areas ... in subcutaneous areas ... examination, the most common ... Subcutaneous #Emphysema #PhysicalExam
Brudzinski’s Sign in Meningitis (first described in 19th century by Dr. Josef Brudzinski)

Brudzinski's sign is characterized
Passive neck flexion causes ... While the pathophysiology ... Brudzinski's sign is commonly ... Video by Dr. ... #PhysicalExam #
Eyelid Pyogenic Granuloma

Pyogenic granulomas are benign vascular proliferations. The most common areas affected around the eyes
The most common ... areas affected around ... Eyelid #clinical #video ... #physicalexam # ... ocular #ophthalmology