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Treadmill stress test - stimulating the heart to search for heart problems and severity of complications.
by: Atanu Ghosh
Treadmill stress test is performed to search for abnormal heart beat, decrease supply of oxygen/blood to heart, indicate coronary artery disease, detect irregular heart rhythms and overall cardiovascular conditioning of the person undergoing a treadmill stress test.

Treadmill stress test is useful to screen people who desire to start an exercise program and help to make plans accordingly.

During a treadmill stress test, electrical activity during exercise or during physical exertion on a treadmill is recorded. Treadmill stress test mainly monitors the heart rate and heart rhythm while the patient is walking on a treadmill. A treadmill stress test also is known as an exercise electrocardiogram. Treadmill stress test is performed on doctor request/prescription. A treadmill stress test is very safe, reliable, non-invasive and not too expensive to do.

In a treadmill stress test the patient is connected to an electrocardiogram (ECG/EKG) machine and a blood pressure cuff is placed on the arm. Electrodes will be placed on the patient during the treadmill stress test at different locations on the arms and chest. A sensor may be attached to the finger of the patient to measure the level of oxygen in the blood during the treadmill stress test. EKG and blood pressure records will be taken before and during the treadmill stress test. Initially during the treadmill stress test the patient is made to walk on the treadmill at a slow speed. The pace of the treadmill increases and the incline is raised during the course of the treadmill stress test. The test lasts about 10-15 or sometimes 60 minutes depending upon the level of recovery and cardiovascular conditioning of the person during the treadmill stress test.

The speed and incline of the treadmill during the treadmill stress test is increased gradually or in intervals .A Cardiologist and a technician are present during the treadmill stress test. Blood pressure rates and breathing rates are recorded and measured during the test.

During the treadmill stress test the electrodes detect the electrical impulses generated by the heart, and transmit them to the ECG/EKG machine. The ECG/EKG machine produces a graph (ECG tracing) of those cardiac electrical impulses. The doctor monitors changes in ECG/EKG patterns during the treadmill stress test. Symptoms experienced by the patient during the treadmill stress test will be looked at and recorded by the doctor. If the patient feels tired, has chest pains or is exhausted then the treadmill stress test is stopped.

Treadmill stress tests help to determine if the blood and oxygen flow to the heart is sufficient when it is under an increased workload. Treadmill stress test also indicates coronary artery disease or abnormal heart rhythms during workload or exertion. Cardiac condition relating to irregular heart rhythms can be evaluated during treadmill stress test. Treadmill stress test helps doctor to detect how hard the heart can work before symptoms develop, the recovery pace of the heart after exertion, and the overall level of cardiovascular conditioning. Doctors can detect the severity of coronary artery disease during the treadmill stress test. Whether or not drugs which are prescribed to treat patients are working can be also detected during the treadmill stress test.

During the treadmill stress test the purpose of increasing to higher levels of exertion in stages is because problems occur as the person performs certain activities. During the treadmill stress test as the person starts increasing the level of exertion, the heart requires more blood and energy and if the heart doesn’t get it then there is chest pain, breathing problems or dizziness. If these symptoms appear during the treadmill stress test, then the problem is recognized and treatment is started.

Risk involved in the treadmill stress test is very small. Treadmill stress test is similar to jogging, running a flight of stairs, etc. However, treadmill stress test is required to be performed in attendance of technician and medical staff to manage complications like sustained irregular heart beats, unrelieved chest pain, heart attack, etc.
Treadmill stress test is an effective way to detect and evaluate problems relating to the heart and to follow and plan treatment depending upon the severity of symptoms detected during the treadmill stress test.

About the author:
The author of the article is Atanu. He has well known authority and can visit at

http://www.treadmill-walking.com/treadmill-stress-test.html


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Mom's Job Stress May Spread to Kids
 by: Rita Jenkins

Low job satisfaction in working mothers increases the stress levels of their children, but allowing them to spend more time in childcare can help overcome these effects, according to new research published in Developmental Psychobiology.

Children whose mothers found their jobs emotionally exhausting or otherwise less rewarding had higher levels of the stress hormone cortisol than children whose mothers reported more enjoyment from their jobs, researchers found in a study involving more than 50 nursery school children.

Levels of cortisol in the evening were more than double in the children whose mothers experienced less job satisfaction. Placing those children in childcare would help to significantly reduce their stress, the research suggests.

The researchers also found that children from families that were either highly expressive or very reserved exhibited higher than average cortisol levels.

Greater support is needed for working mothers to help improve their job satisfaction and increase the availability of affordable childcare options, says the report.

More Time in Childcare

Dr. Julie Turner-Cobb, a health psychologist and senior lecturer at the University of Bath, Dr. Christina Chryssanthopoulou from the University of Kent and Dr. David Jessop, a neuroimmunologist at the University of Bristol collaborated on the study.

To measure cortisol levels, they took saliva samples in the morning and evening from 56 children aged three to four years old. They also surveyed mothers about their workplace conditions and home life over a six month period.

"Spending more time in childcare makes a big difference to the stress levels in children whose mothers have low job satisfaction," says Dr. Turner-Cobb.

"It can help protect children from the effects of their mother's low job quality and emotional exhaustion. Ensuring that mothers of young children have good support in the workplace is essential for supporting both mothers and their children," she adds.

"Improving the job satisfaction of working mothers means that they are less stressed themselves," says Dr. Jessop, "and extending the availability of affordable and adequate childcare may not only improve the quality of life for the mothers but, in doing so, may improve the long term health of their children."

Healthy Adaptation to Stress

Cortisol is a steroid hormone that regulates blood pressure and cardiovascular function and immune function. It also controls the body's use of proteins, carbohydrates and fats.

Cortisol secretion increases in response to stress, whether physical -- such as illness, trauma, surgery or temperature extremes -- or psychological. It is a normal and essential response without which we would not be able to function in everyday life.

When these levels remain high or become disrupted in some way over a prolonged period of time, however, they may have consequences for health. It is important to promote healthy adaptation to stress in children, and good quality childcare is one way of doing this, say the authors.

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