9 results
Modified dengue severity classification, PAHO/WHO
Dengue without warning signs - DNWS:
 • Person who lives or has
dengue severity classification ... transmission, with acute ... or undetectable pulse ... perfusion >2 seconds, pulse ... #diagnosis
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
Definition: acute ... nerve caused by ... Doppler US : halo sign ... #Rheumatology #Ophthalmology ... #Diagnosis #Algorithm
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
and Differential Diagnosis ... hypertension and signs ... renal bruit or signs ... Coarctation of aorta ... Neurologic disorders
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

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

Why?
• The coexistence of photophobia and headache suggests the potential
- Differential Diagnosis ... meningeal irritation signs ... headache: - Acute ... #ophthalmology ... #Neurology
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
trucking" • Acute ... retinal edema caused ... after CRAO -> Pale Optic ... pathophysiology #ophthalmology ... #diagnosis #signs
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... tract, and often causes ... purpura: strong sign ... diminished, or tender pulses ... #rheumatology #classification
Giant cell arteritis (GCA)

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

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... < 30 years • Aorta ... claudication, pulse ... Arteritis): • Aorta ... tract, and often causes