22 results
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
- Differential ... - Autonomic symptoms ... meningeal irritation signs ... #differential # ... diagnosis #ophthalmology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... without an obvious cause ... Occlusion of posterior inferior ... varying neurologic signs ... #differential #
Biphasic Illness of Leptospirosis
Some patients do not progress to severe disease. Others, rapidly develop severe disease
brief interval symptom ... • Fever • Headache ... suffusion (redness w/o exudate ... rash • Others: nausea ... Diagnosis #Illness #Signs
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
Anterior ischemic ... Is visual loss caused ... the optic nerve caused ... Doppler US : halo sign ... #Rheumatology #Ophthalmology
Transient Monocular Vision loss - Differential Diagnosis
Ischemia	
 - Large artery disease (atherothrombosis, embolus, dissection).
  -
Vision loss - Differential ... with migraine headaches ... Caused by decreased ... Ocular causes - ... #Diagnosis #Ophthalmology
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
13 Dangerous Causes ... of Headache: ... shoulder girdle symptoms ... thrombophilia, neurologic signs ... Dangerous #Deadly #Differential
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
hyalinization causes ... Stage 3: Severe/exudative ... pathophysiology #ophthalmology ... #diagnosis #signs ... #symptoms #complications
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... With Different Headache ... stroke • Severe nausea ... #signs #symptoms ... #clues #differential
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
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Bacterial Meningitis - Differential ... Coltivirus Symptoms ... : • Headache ... influenzae Symptoms ... Acute meningeal signs