226 results
Proptosis and Chemosis caused by Cavernous Sinus Fistula on Ocular Exam

This 73 presented for blurred, double
Proptosis and Chemosis caused ... by Cavernous Sinus ... #proptosis #CCF ... #Carotid #Cavernous
Proptosis - Differential Diagnosis - Unilateral vs Bilateral
Unilateral:
 • Infections (can become bilateral with cavernous sinus
bilateral with cavernous ... Infections (with cavernous ... Vascular - Cavernous ... - Carotid cavernous ... Unilateral #Bilateral #Causes
Pulsatile Exophthalmos on Physical Exam in the setting of Carotid Cavernous Fistula (CCF)

Sudden onset headache, nausea,
setting of Carotid Cavernous ... Fistula (CCF) ... onset headache, nausea ... clinical #Carotid #Cavernous ... #Fistula #CCF #
Diplopia - Differential Diagnosis
Step 1: Consider Stroke
Step 2: Diplopia PLUS
 - Cavernous Sinus Syndrome
 - Infection
Diplopia PLUS - Cavernous ... Diagnosis #Algorithm #Causes
Important Causes of Diplopia 
TIER 1-CRITICAL
Basilar artery thrombosis, Botulism, Basilar meningitis, Aneurysmn
TIER 2-EMERGENT:
Vertebral dissection, Myasthenia gravis,
Important Causes ... apex syndrome, Cavernous
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
One-and-a-half Syndrome • Cavernous ... Skew Deviation Casey
Carotid Cavernous Fistula (CCF) on Angiography

Left External carotid injection shows an indirect Carotid-cavernous fistula filling through
Carotid Cavernous ... Fistula (CCF) on ... indirect Carotid-cavernous ... Carotid-cavernous ... #Fistula #CCF #
Internal Jugular Vein Rouleaux Flow on POCUS

Amazing video of a dilated IJV showing Rouleaux flow. Whenever
Rouleaux Flow on POCUS ... significantly, it causes ... echogenic as in this case ... for underlying cause ... Jugular #IJ #Vein #POCUS
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
Endophthalmitis, Cavernous ... differential #diagnosis #causes
Electrical Alternans on POCUS Echocardiogram
You dissect the EKG and note low voltage tachycardia with a hint
Electrical Alternans on POCUS ... POCUS ECHO performed ... - MH/CCF/CWRU ... Electrical #Alternans #POCUS