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right coronary artery arises from the anterior aortic sinus it runs down along the anterior part of the coronary sulcus reaches the lower border of
the heart is supplied exclusively by the right and left coronary arteries the coronary arteries are functional end arteries there is no effective
mechanical prosthetic valves these patients should have lifelong anticoagulation in the absence of anticoagulation systemic embolism and strokes
the vagus gives of one superior cervical cardiac branch and an inferior cervical cardiac branch in the neck these branches descend into the thorax
bioprosthetic valves the risk of thromoboembolism is limited to the first three months until the sewing ring gets endothelialised the
post operative anticoagulation thromboembolism remains a serious complication after valve replacement lifelong anticoagulation is requised for
the fibrous rings of the four valves of the heart are continuous with each other they not only form the basis for the attachment of the corresponding
this valve has the same basic features as of the tricuspid valve it has an anterior and a posterior cusp the anterior cusp is larger and is
mitral valve replacement with allograft mitral homograft c acar and colleagues used mitral allograft for mitral valvc replacement using a new
pulmonary autograft and ross procedure sir donald ross in 1967 introduced the concept of using patients own pulmonary valve autograft for aortic
atrio-ventricular orificesthe right and left atrio-ventricular orifices are oval apertures the openings lie in a plane that is almost vertical with a
aortic allograft homograft in the earlier years fresh antibiotic preserved aortic allografts were tried as the shelf life is limited
the left atrium is a thin walled cavity most of the wall is smooth musculi pectinati are present only in the auricle of the atrium the interatrial
stentless devices a bioprosthesis mounted on a stent reduces the effective orifice area eoa the newer version third generation stentless
pericardial valves carpentier edwards perimount valve pericardium preserved in gluteraldehyde and mounted on flexible stent is available for
medtronic hancock standard model these are gluteraldehyde preserved xenograft aortic valve which are mounted the modified orifice version m-0 is
you have learnt about the epidemiology etiology and pathogenesis of acute rheumatic fever revised jones criteria which have major and minor criteria
carpentier -edwards valve c-e this is porcine aortic valve preserved in gluteraldehyde and mounted on flexible stent made of
in developing countries because of poor compliance poverty ignorance primary and secondary prevention strategies are difficult to implement properly
biological valves biological valves are available for all positions for mitral position they are usually mounted on a stent stent mounted
benzathine penicillin given every three weeks as im injection 12 mega units has given the best results oral agents penicillin v are given in patients
chitra valve this valve was designed and developed at srichitra institute of medical sciences in thiruvananthapuram and marketed by ttk
acute gas pharyngitis should be treated promptly by penicillin or other antibiotics indian council of medical research icmr recommends that all cases
omni science valve this is another type of tilting disc valve available from 1978 the cage is made of titanium and disc out of pyrolitic carbon
bjork-shiley valve b-s this is one of the earliest types of tilting disc valves introduced in early 70s the earlier models like concavo-convex disc