You are testing your new device that detects heart attacks compared to a device

Question

You are testing your new device that detects heart attacks compared to a device that is currently available. You know that it is more difficult to detect a heart attack in patients that have already had a heart attack due to scarring of the heart muscle. Therefore, your device is only used in subjects that have not had a heart attack and the current device in only used in subjects that have already had a heart attack. Is this an ethical clinical trial design? Why or why not. How can the clinical trial design be changed to ensure accurate and unbiased results?

Explanation / Answer

ECG -electrocardiogram is the olden technique of detecting heart attack in cardiac patients either first time or in the patients who already had an attack.this records the electrical activity of the heart over a period of time using electrodes placed on skin.ECG is used to continuously monitor the critically ill patients,but in patients who are asymptomatic or at lower risk of coronary heart disease ECG is discouraged as it leads to misdiagnosis sometimes.

sometimes another form of ECG is implemented on patients where a CATHETER which has several electrodes is inserted in to the femoral vein along its length to record the electrical activity from inside the heart.

CAG can be detected using MRI AND CT ECG is generally indicated in patients who are suspected with

1.cardiac dysrhythmias

2.seizures

3.dyspnoea and pulmonary embolism

4.myocardial infarction

5.cardiomyopathy etc.

It is unethical to perform the ECG diagnostics in asymptomatic patients and in patients with lower risk of heart attacks.

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