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
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
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 #
Multiple Cranial Neuropathies - High Yield Differential Diagnosis
 • Intrinsic brainstem process
 • Compressive brainstem process
brainstem process • Cavernous ... rarely botulism) Casey ... Differential #Diagnosis #causes
Hyperviscosity Syndrome - Causes and Treatment

 - Waldenstrom macroglobulinemia (most common) / Plasmapheresis 
 - Multiple
Hyperviscosity Syndrome - Causes ... Phlebotomy - MH/CCF ... Hyperviscosity #Syndrome #Causes