Hi Dilnavas

Both are good at there own ways. At the end you need to decide what you want to do. Find the related information related to both career.

B.Sc. in Cardiac Technology is a 3-year full-time undergraduate course divided into 6 semesters. Cardiac Technology is an allied course in medicine.Cardiac Technologists assist physicians during invasive cardiovascular testing; a tube is inserted into one of the blood vessels that carry blood into the heart.

The job of a technician is to perform tasks that require less medical training before and during the procedure so doctors can focus on the results of the test.

Respiratory therapists typically do the following:

• Interview and examine patients with breathing or cardiopulmonary disorders
• Consult with physicians to develop patient treatment plans
• Perform diagnostic tests, such as measuring lung capacity
• Treat patients by using a variety of methods, including chest physiotherapy and aerosol medications
• Monitor and record patients' progress
• Teach patients how to take medications and use equipment, such as ventilators

Hope this helps you.

Good Luck.