What does anterior infarct mean on ECG?
An anterior wall myocardial infarction occurs when anterior myocardial tissue usually supplied by the left anterior descending coronary artery suffers injury due to lack of blood supply.
What does lateral infarct mean on ECG?
A lateral myocardial infarction (MI) is a heart attack or cessation of blood flow to the heart muscle that involves the inferior side of the heart. Inferior MI results from the total occlusion of the left circumflex artery. Lateral MI is characterized by ST elevation on the electrocardiogram (EKG) in leads I and aVL.
What causes anterior infarct?
An anterior myocardial infarction results from occlusion of the left anterior descending coronary artery. This can cause an ST elevation myocardial infarction or a non-ST segment elevation myocardial infarction.
What would be expected when evaluating an ECG for an anterior infarction?
ST elevation and hyperacute T waves in V2-4. ST elevation in I and aVL with reciprocal ST depression in lead III. Q waves are present in the septal leads V1-2. These features indicate a hyperacute anteroseptal STEMI.
What is anterior infarct age undetermined?
If the finding on an ECG is “septal infarct, age undetermined,” it means that the patient possibly had a heart attack at an undetermined time in the past. A second test is typically taken to confirm the finding, because the results may instead be due to incorrect placement of electrodes on the chest during the exam.
What causes lateral infarct?
Isolated lateral wall myocardial infarction (LMI), similar to other acute myocardial infarctions (MI), is caused by acute atherosclerotic plaque rupture with subsequent thrombus formation in the left circumflex (LCx) coronary artery or one of its branches.
How serious is an Anteroseptal infarct?
Anteroseptal myocardial infarctions are commonly caused by the rupture of an unstable atherosclerotic plaque in the left anterior descending artery. Delayed or missed diagnosis of an anteroseptal myocardial infarction can lead to high morbidity and mortality.
What causes an anterior infarct?
What are the anterior ECG leads?
The arrangement of the leads produces the following anatomical relationships: leads II, III, and aVF view the inferior surface of the heart; leads V1 to V4 view the anterior surface; leads I, aVL, V5, and V6 view the lateral surface; and leads V1 and aVR look through the right atrium directly into the cavity of the …
What causes an anteroseptal infarct on ECG?
– pressure, pain, or aching in the chest or arms – pressure, pain, or aching in the neck, jaw, or back – nausea – indigestion or heartburn – abdominal pain – lightheadedness – dizziness – shortness of breath – cold sweat – fatigue
Why does ECG show an old infarction?
What does old infarct mean on ECG? If the finding on an ECG is “septal infarct, age undetermined,” it means that the patient possibly had a heart attack at an undetermined time in the past. A second test is typically taken to confirm the finding, because the results may instead be due to incorrect placement of electrodes on the chest during
What is lateral infarction?
What is a lateral infarct? Lateral infarcts are associated with diagnostic Q waves in at least 2 of the lateral leads, I,AVL, V4,5,6. This is the least common MI pattern and is associated with lesions and/or thrombus that occurred in the left circumflex coronary artery.
What does consider anterior infarct mean?
Pain in the chest