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What is Septal Ablation (TASH/PTSMA) ?
This is a nonsurgical interventional treatment. The septal myocardium supplied by 1st septal branch of left anterior descending artery is destroyed by alcohol, by percutaneous technique.
It creates limited myocardial infarction and reduces LV outflow obstruction. It reduces mitral incompetence and improves relaxation. Improvement occurs in almost 90 per cent.
However there is some concern about 2 complications viz. Heart block which needs pacing in a few patients. There is a theoretical concern that myocardial scar that follows infarction might lead to ventricular arrhythmias. It is therefore a preferred option in patients who already have a pacemaker.
ICD in place or where surgery is contraindicated because of other medical conditions. It is however being widely used in select centres.
ICD Implantation
It is used as a method of secondary prevention for cardiac arrest or history of sustained hemodynamically unstable ventricular tachycardia. For primary prevention, it is used with history of sudden death in family with history of sustained ventricular tachycardia.
Surgical
Septal Myotomy/Myectomy (Fig 5.8) it is widely used. About 5 gms. of hypertrophied septum are removed using a tranaortic approach (Morrow procedure). It gives sysmptomatic relief in almost 70-90 per cent of patients. It should be preferred in younger patients and in whom septal ablation has failed. Occasionally mitral valve replacement or suture plication of anterior mitral leaflet are also employed.
What are brief descriptions of how you could test hypothesis. or how would you know if your hypothesis is testable?
please i want detailed explanation on the mechanism of enzyme catalysis
TEET H - Study of teeth is odontology. Accumulation of oral bacteria & their products on teeth is plaque. Some acids are secreted by bacteria causing carries.
Ventricular Assist Devices : These come handy when IABP has failed or when prolonged circulatory support is needed. Now Ieft ventricular (LVAD), right ventricular (RVAD) and bive
what are the excretory organs protozoa
What are immunoglobulins? Immunoglobulin is the exchange name given to antibody. Immunoglobulins are complex proteins having an invariable portion and a variable portion and ma
Determine the Biocompatibility of the material It is a vital factor as we have discussed in detail in the preceeding part of this unit. The nature of the material and its surf
HARD Y - WEINBERG LAW - Proposed by G.H. Hardy and W. Weinberg in 1908 independently. The law states "the frequency of genes or alleles in a population remains constant
Explain Acute Renal failure Acute Renal failure: Renal failure associated with burns or other trauma or with sharp infection or obstruction of the urinary tract.
REFLE X ACTION - Marshel Hall discovered reflex action. Best & Taylor defined it. Reflex action is functional unit of CNS. It is sudden, immediate involuntary acti
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