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Cavernous Sinus Anatomy

By @rev.med

#Cavernous #Sinus #Anatomy #Skull #SkullBase
Cavernous Sinus ... rev.med #Cavernous #Sinus ... Anatomy #Skull #SkullBase
Sinus Tachycardia Differential Algorithm

- Dr. Tom Fadial https://twitter.com/thame

#Sinus #Tachycardia #Differential #Algorithm #Diagnosis #Cardiology #Causes
Sinus Tachycardia ... twitter.com/thame #Sinus
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
4 Variants of Sinus ... Arrhythmia Phasic Sinus ... Non-phasic Sinus ... Ventriculophasic Sinus ... arrhythmia #Sinus
Sinus Tachycardia - Differential Diagnosis Framework
Autonomic System:
 • Excess Stimulation: Nicotine, Caffeine, Sympathomimetics, Anticholinergics
 • Withdrawal:
Sinus Tachycardia ... Inappropriate Sinus ... Medicine @SCVMCMed #Sinus
Coronal diagram of cavernous sinus; notice how cranial nerve 6 is most medial and is often
diagram of cavernous sinus ... the cavernous sinus ... #cavernous sinus
Sinus Arrhythmia - ECG Diagnosis
Remember in Sinus arrhythmia, the P to P varies by > 0.16
Sinus Arrhythmia ... Diagnosis Remember in Sinus ... > 0.16 sec #Sinus
Proptosis - Differential Diagnosis - Unilateral vs Bilateral
Unilateral:
 • Infections (can become bilateral with cavernous sinus
with cavernous sinus ... - Paranasal sinus ... with cavernous sinus ... - Cavernous sinus
Syncope - Differential Diagnosis Framework
Reflex Syncope:
• Vasovagal: Prolonged standing, Stress, Pain
• Situational: Coughing, Sneezing, Micturition, Defecation,
Post-exercise • Carotid sinus ... Bradyarrhythmias: Sinus ... bradycardia, Sinus
Class III Antiarrhythmics - Potassium Channel Blockers - Indications and Side Effects
Amiodarone
 • Suppression of VT
Maintenance of sinus ... Maintenance of sinus ... Maintenance of sinus ... Maintenance of sinus
Approach to the Hypotensive Patient - Differential Diagnosis Framework for Hypotension

Blood Pressure = Heart Rate x
cardiac output): • Sinus ... blocks • Sick sinus ... filling time): • Sinus