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KIN 420 - ECG lab - An electrocardiography(ECG machine was...

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ECG Lab The research article chosen was entitled, Antiarrhythmic and anti-ischemic effects of angina in patients with and without coronary collaterals . The purpose of this study was to determine if the symptom changes of myocardial ischemia during successive bouts of chest pain due to exercise or coronary artery occlusion were guaranteed reliant on one another. In this study, researchers took 40 individuals who went through three consecutive treadmill exercise tests; the first and second tests were separated by fifteen minutes and the second and third tests were separated by ninety minutes. The patients performed a successive exercise test in order to asses their warm up during exercise. The researchers then assessed the effects of recurring coronary artery occlusions by having the patients undergo serial balloon inflations during percutaneous transluminal coronary angioplasty (PTCA).
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Unformatted text preview: An electrocardiography (ECG) machine was used, along with heart rate, blood pressure, and exertion rate, to monitor the electrical impulses of the heart of the patients. In one patient, the ECG revealed ST segment depressions in the first and third testing stages, but an absence in the second testing stage. In addition, there was a different patient who developed ventricular bigeminy during test one and three with ST segment depressions, while in test two the ST segment depression is smaller and the ventricular bigeminy is no longer present. The final results of this study were concluded by stating that the reduction of ST deviation, ventricular arrhythmias, and angina during the second stage of an exercise test can occur independently from any symptoms of myocardial ischemia in patients with coronary artery disease....
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