Define aneurysm ppt


define aneurysm ppt

The precordial leads V16 each lie over part of the ventricular myocardium and can therefore give detailed information about this local area. Using these we can define aneurysm ppt where the changes will be seen for infarctions in different locations.

define aneurysm ppt

Anterior infarctions usually occur due to occlusion of the left anterior descending coronary artery resulting in infarction of the anterior wall of the left ventricle and the intraventricular septum. It may result in pump failure due to loss of myocardium, ventricular septal defect, aneurysm or rupture and arrhythmias.

Extensive anterior infarctions show changes in V16I, and aVL. Inferior infarctions may occur due to occlusion of the right circumflex coronary arteries resulting in infarction of the inferior surface of the left ventricle, although damage can be made to the right ventricle and interventricular septum.

define aneurysm ppt

This type of infarction often results in bradycardia due to damage to the atrioventricular node. Location of infarction and its relation to the ECG: lateral infarctionOcclusion of the left circumflex artery may cause lateral infarctions.

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Location of infarction: combinationsThe previous slides discussed the changes that occur in typical anterior, inferior and lateral infarctions. However, the area infarcted is not always limited to these areas and infarctions can extend across two regions.

define aneurysm ppt

For example, an anterior infarction which is also on the lateral side of the heart is known as an anterolateral infarction. Sequence of changes in ev.