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ECG

An electrocardiogram (ECG / EKG) is an electrical recording of the heart and is used in the investigation of heart disease.

It is a graphic display of the electrical activity of the heart.

An ECG may be done as part of a routine physical exam. It may be repeated any time there are questions about the working of your heart.

You will be brought to the ECG department in the centre. The technician will ask you to take off your clothing from the waist up, put on a gown, and lie down on a small bed. The technician will place a small electrode (a small self-sticking plastic patch) on each of your arms and legs and across six areas on your chest. You need to lie still for the minute or two that it takes the machine to make a record.

Stress Test

A stress test, sometimes called a treadmill test or exercise test, helps physicians find out how well the heart handles stress. As the body works harder during the test, it requires more oxygen and the heart has to pump more blood. The test can show if the blood supply is reduced in the arteries that supply the heart. It also helps doctors know the kind and level of exercise appropriate for a patient. A person taking the test
n    is hooked up to equipment to monitor the heart.

n    walks slowly in place on a treadmill, on which the speed is increased for a faster pace and which is tilted to produce the effect of going up a small hill.

n    may be asked to breathe into a tube for a couple of minutes.

n    can stop the test at any time if necessary.

n    afterwards will sit or lie down to have the heart and blood pressure checked.

Heart rate, breathing, blood pressure, electrocardiogram (E.C.G. or E.K.G.), and how tired one feels are monitored during the test.

There's very little risk in taking the test in healthy persons - no more than if a person walks fast or jogs up a big hill.

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FAQs
Stress Test
  Q. How is the test carried out?
  A stress test or treadmill test or exercise records the hearts electrical activity (rate and rhythm) during exercise.

n  Prior to the test electrodes will be placed on the chest (same as ECG) and patient is hooked up to equipment to monitor the heart.

n  Prior to the test you may be asked to breath rapidly (hyperventilate) for a while

n  The patient will be asked to walk on a monorised treadmill.

n  The speed and inclination of the treadmill will be gradually increased.

n  The doctor will be looking for changes in ECG pattern, will chest Blood Pressure in between and will be enquiring about any symptoms that patient may      experience.

n  The patient may be on treadmill for up to 15 minutes, depending upon his level of exercise recovery and cardiovascular condiovascular conditioning.

n  The test will be stopped if the patient becomes too tired, has any symptoms such as chest pain.

  Q. What happens after the test is done?
  After the test patient will be asked to sit or lie down till heart and blood pressure recovers to baseline. The stress test doctor will then evaluate the data collected through the test and make the necessary recommendations.

  Q.How long does a normal stress test take?
  The total time required for the test will be about 30 minutes.

  Q. Is there any risk in taking the test?
  There is very little risk in taking the test in healthy person - no more than if a person walks fat or jogs up a big hill.

n  During the test the cardiologist and a technician are always present.

  Q. Why is a stress test done?
  To find out:

n  How hard the heart can work before symptoms develop.

n  How quickly the heart recovers after exercise.

n  The patients overall level of cardiovascular conditioning

  Q. Is it necessary to take a prior appointment?
  Prior appointment will save considerable time on the day of test.

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Preparations
ECG

n    No restrictions on food and liquid prior to test

n    All patients are advised to wear a two piece outfit for convenience.

n    Please do not come in a one piece outfit or dress because electrodes need to be attached to the chest during the course of the test.

n    Please bring along reports of a prior ECG (if done).

n    It is advisable to report 10-15 minutes prior the appointment time in order to ensure that all procedures are carried out in a smooth, relaxed and unhurried       manner.

Stress Test
n    It is necessary to ensure that there is no intake of food or liquids (except water) for 4 hours prior to the test. Smoking must also be avoided during this       period of fasting.

n    Comfortable clothing (shorts or pants with shirt or blouse) must be worn.

n    You should report 10 minutes prior to your test to enable a smooth and relaxed procedure to take place.

n    You must ask your doctor the following questions before reporting for the test:
  n  If you are diabetic, how you need to adjust insulin and food intake prior to the test.

n  If you should take your regular medications on the morning of the test.

n  If you are on a beta blocker, whether or not you need to stop your regular medication 72 hours before the test.
n    For males with a hairy chest, a shaving of the chest may be required for adequate contact of electrodes with the chest which ensures best results.

n    For those adverse to walking barefoot on the treadmill, it is advised to bring along a pair of jogging shoes on the day of the test. However, this is not       essential.

n    You are advised not to apply lotions, oils or powder to the chest area.

n    Please bring along details of any previous stress test to allow a comparison of reports.
 

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