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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.
Which are the types of neurons that participate in the spinal arch reflex? Where are their cell bodies situated? In the arch reflex first a sensory neuron located in the gangli
Q. Why is it dangerous to talk while eating? If a person talks when eating, food may be inhaled into the lungs. Generally after food is swallowed, it passes into pharynx and th
Explain about the Nucleoproteins? Nucleoproteins are combinations of nucleic acids land simple proteins, which usually consists of a large number of basic amino acids. Nucleopr
Examination is begun by placing the transducer in left parasternal region, usually in the third or fourth left intercostal space. From this position, a sector image of the heart
CLOSED HEART SURGERY : Operative procedures on the heart or major intra thoracic vessels done when the heart is beating and supporting effective circulation come under the ca
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State in brief about the term - Calcium and Magnesium Exchangeable forms of these ions are considered to be available nutrients. The concentration from extractant is found by
Q. Complications Causes by gastro oesophageal reflux disease? Apart from the symptoms, which you have just read above, there are a few extra oesophageal manifestations of GERD.
A large number of plants are used for bio-pesticides and bio-fertilizers. Several plant species are used as insecticides against aphids and larvae of insect pests: for insects like
Q. What are the few examples of the energetic function of organic molecules? Since they are complex molecules, organic molecules store large amount of energy, presenting many c
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