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Acute Aortic Regurgitation : The most dramatic presentation occurs in dissection of the aortic root. Endocarditis of the native or prosthetic aortic valve may also lead to acute regurgitation. The prosthetic valve which is stuck in open or semi open position could also present as acute aortic regurgitation. Iatrogenic cause of acute AR is after balloon valvotonly.
When a large regurgitant volume is suddenly imposed on a normal unprepared left ventricle, it leads to raised left ventricular end diastolic and left atrial pressures. Cardiac output falls and the only compensatory mechanism initially is tachycardia. This will be insufficient and patient presents 'with pulmonary oedema and cardiogenic shock. They require early surgery, as. &at is their only chance. Intra aortic balloon pump is contra indicate4 in the presence of aortic regurgitation.
Elaborates Congenital Aortic Stenosis in details? More common in males (4: 1). High incidence of Bicuspid Aortic valve. Murmur present from early infancy and sometimes at birth
The foods we take have three basic ingredients - carbohydrate, protein and fat. Insulin has profound effects on the metabolisms of carbohydrate, protein and fat. Metabolism helps o
What is Simple Transposition in Neonates ? A baby with this malformation needs to be operated without delay. A very cyanosed infant will require palliation by balloon arteries
What is Joints Joints are locations where two or more bones come together, or articulate. Bones are joined with varying degrees of rigidity. Joints may be fixed, as in the s
Q. Do the -R groups bound to the central carbons participate in the union between amino acids? The peptide bond attaches the nitrogen of the amine group of one amino acid to th
Now try to pull the strands apart at the "origin of replication." What happens to the DNA molecule when the ends are restricted
Problem 1: How do you differentiate between a dossier and a submission document? Define dossier Define submission document differentiate between a dossier and a
Ultrasonic and sonic vibrations Cells of all types can be destructed by intense sonic and ultrasonic vibrations generated by magnetostrictive oscillations or peizo electric cry
Action of carbon dioxide receptor cells The respiratory center is sensitive to increased carbon dioxide levels and increased acidity of the blood. It is peculiar that even tho
Carbon paper leaf prints Cover the vein side of a leaf with a very thin layer of lard or vaseline. Place the greased leaf vein side up on various layers of newspaper and cover
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