14 results
Low O2 saturation that does not respond to supplemental O2
- Key diagnostic feature (sat < 85%
averaging by the pulse ... oximeter causes ... pneumonia, COPD, anemia ... Concentrations #Signs ... #Symptoms
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
Concussion Other Causes ... disk • HIV/AIDS ... retinopathy (sickle cell anemia ... differential #diagnosis #ophthalmology ... #causes
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
Is visual loss caused ... nerve caused by ... • Cephalic symptoms ... Doppler US : halo sign ... #Rheumatology #Ophthalmology
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
• Ischemia of optic ... Leakage of optic ... pathophysiology #ophthalmology ... #diagnosis #signs ... #symptoms #complications
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
lights are a key symptom ... • Significant cause ... most frequent cause ... damage & blindness Signs ... pathophysiology #ophthalmology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Hemoptysis (occasionally ... • CT: Halo sign ... Constitutional symptoms ... ), anemia, arthralgia ... Infections #HIV #AIDS
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
→ Syncope • Signs ... /Symptoms: - Lightheadedness ... - Decreased pulse ... cardiomyopathy, ARDS ... differential #diagnosis #causes
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
those coming off aorta ... systemic sx + signs ... systemic complaints- anemia ... required +/- prompt ophthalmology ... GCA #Temporal #Signs
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Common Causes: ... a Red Eye: • Optic ... Hemorrhage Lids ... Unilateral or bilateral symptoms ... differential #diagnosis #ophthalmology
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
retinal edema caused ... after CRAO -> Pale Optic ... pathophysiology #ophthalmology ... #diagnosis #signs ... #symptoms