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Myocardial Infarction: Case Study


Pain in the chest and other parts of the body like the left arm are the most common symptoms of myocardial infarction. The patient was also out of breathe, and he looked weary, and these are also symptoms associated with MI. The pain associated with MI emanates from the heart cells, which send pain signals to the brain through the spinal cord when there is no oxygen being transported to them. The brain interprets the signals as pain coming from different parts of the body, and the left arm and the jaw are some of the areas that are mistakenly thought to be in pain (Thomas, 2013).

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ECG Changes

Myocardial injury is revealed by the 12-lead EKG reading of 2-3 mm ST-segment elevation in leads II, II. It also reveals a VF with a PR interval of 0.24. This reading indicates that it is an occlusion of the coronary artery in the right. The damages are possibly on the inferior and posterior left ventricle and the right ventricle (Robinson, 2004).

Cardiac Enzymes

Cardiac troponins I and T are used as markers to indicate the level of myocardial injury. The tests are ordered when the symptoms of a patient indicate acute MI.

Admission to the CCU

Once a patient is admitted to the CCU, the main priority of the nursing team is to diagnose the damages caused by the MI. The symptoms related to myocardial injury are recorded to identify the extent of damage to the heart tissue. Pain management is also a priority in the CCU.

Management of acute myocardial infarction

After being admitted to the CCU, Mr. Jones indicated symptoms of lack of oxygen. He was pale and diaphoretic, and the nursing team found it necessary to start a dobutamine infusion at 5mcg/kg/minute. This would increase the heartbeat rate and prevent a decrease in the pulse rate; thus availing more oxygen to the body.


The distinguishing features of dysrhythmia is a disturbance in the heart rhythm. It is indicated by abnormal electrical activity of the heart cells.

Thrombolytic Therapy

Thrombolytic therapy would be initiated if Mr. Jones indicates symptoms of blood clots in the cardiac system. Injuries to the heart and blood vessels may send a blood clot through the system, and this raises the risk of the patient getting a stroke attack. In the case of Mr. Jones, if there is no blocked artery, there would be no need for the procedure to be applied.

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Complications of Acute Myocardial Infarction

Mr. Jones experienced acute myocardial infarction with myocardial injury. This was revealed by the continuous chest pain, which prompted the nurses to start an IV morphine 3mg IV and an NTG ggt. He was also under the risk of a heart failure as indicated by his thready pulse. A dobutamine infusion at 5mcg/kg/minute was started to help his heart to supply more oxygen to the body.

Other Diagnostic Tests

Tests to detect blood clots in the blood vessels are essential after an acute myocardial infarction. They are aimed at ensuring that the patient is not under the risk of a stroke. It is also important for the physicians to conduct tests that indicate the damaged tissues of the heart for the necessary repairs to be made. Acute myocardial infarction is associated with serious damages to the heart tissues; hence, there must be tests to determine the extent of the damages.


Robinson, S. (2004). Is it an MI? What the leads tell you. Web.

Thomas, C. (2013). Why does your arm hurt during a heart attack?. Web.

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