A lowering of pressure in the carotid sinus reflexly increases the force of atrial systole by (a) increasing sympathetic activity to the heart (carotido-sympatho-atrial reflex) and(b) decreasing ...

Amplification of carotid sinus activity of a dog is brought about through the use of an electric analog of the carotid sinus applied in parallel with this element of the dog's own pressure regulating ...

An age-stratified population was used as a reference group. 21 patients also underwent analysis of carotid sinus pressure and sinus cycle length before and after atropine to clarify whether neural ...

Carotid-cavernous sinus fistulae are rare ... arterial and venous collateral vessels (Larsen et al., l999). Elevated pressure in veins draining the orbit can produce pulsatile tinnitus and ...

yahoo.co.uk Background Cardioinhibitory carotid sinus hypersensitivity (CICSH) is highly prevalent among older people with falls. Objective To assess the efficacy of dual-chamber pacing in older ...

during right sided supine carotid sinus massage (CSM). CSH was defined as cardioinhibitory (CICSH; >3 s asystole) or vasodepressor (VDCSH; >30 mm Hg fall in systolic blood pressure (SBP)). T2 weighted ...

slow the heart rate and lower the blood pressure in a similar way to those of the ‘hypersensitive’ carotid sinus. The blood pumped from heart to brain passes through two major sets of arteries ...

1 questions the value of carotid sinus massage (CSM) for the investigation of syncope. It was well conducted, with two reasonably equivalent groups, with and without previous syncope, submitted to the ...

Carotid sinus massage (CSM) was performed to help identify the underlying rhythm. During massage the patient had an immediate cerebrovascular accident, resulting in a left hemiplegia. Given the ...

Introduction/Purpose Carotid-cavernous fistulas (CCFs) are typically managed by embolization ... We present eight cases of successful CCF obliteration through direct transorbital puncture of the ...

Carotid cavernous fistulas are abnormal communications between the carotid artery or its branches and the cavernous sinus. It can be traumatic or spontaneous ... intubated but with normal vital signs ...