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Bioengineering also know as biomedical engineering is a discipline that combines engineering expertise with medical needs for the enhancement in healthcare. Bioengineering integrates the engineering sciences with biomedical and clinical practice to improve human health in 3 levels.

• Advance the knowledge of living systems by applying engineering, biology, imaging and computational sciences as diagnostic tools.
• Improve the function of living systems by designing devices, systems and constructs based on biological and non-biological components.
• Prevent the injury to living systems by building models, algorithms and devices that may predict or guide behavior.

The major advances in bioengineering include the development of artificial joints, magnetic resonance imaging (MRI), the heart pacemaker, arthroscopy, angioplasty, bioengineered skin, kidney dialysis, and the heart-lung machine.

Bioengineering Specialties

By combining biology and medicine with engineering, biomedical engineers develop devices and procedures that solve medical and health-related problems. A person that involve in bioengineering field may choose to specialize in many specialty areas, among the well know specialty areas in bioengineering field include:

1. Bioinstrumentation

Bioinstrumentation is the application of electronics, measurement principles and techniques to develop devices used in diagnosis and treatment of disease. The advanced technology in computing plays an important role in bioinstrumentation. One example of bioinstrumentation device is medical imaging system, a device that enables a medical specialist to view and analyze 3 dimensional images captured from their patients. Enhanced computing technology & power is needed to process the large amount of information in a medical imaging system.

2. Biomechanics

Biomechanics is the study of mechanical parameters which drive living system motion. The biomechanics experts are the people contributed in human organ spare parts development, these human organ spare parts include artificial heart and replacement heart's valves, the artificial kidney and the artificial hip.

3. Clinical Engineering

Clinical engineering is the application of technology for health care in hospitals. The clinical engineers work along with other medical team to adapt instrumentation to the specific needs of the hospital. This often involves the interface of instruments with computer systems and customized software for instrument control and data analysis.

4. Rehabilitation Engineering

Rehabilitation engineering is a new and growing specialty area of biomedical engineering. Rehabilitation engineering involves the design and application of devices to restore function to the physically disabled. Biomedical engineers contribute to every field of rehabilitation engineering: communication enhancement for hearing and speech, wheelchairs and wheeled mobility, prosthetics, technologies for orthopedic and spinal cord injury.

Biomedical Engineer's Tasks

The examples of major contributions of biomedical engineers include:

• Designing and constructing cardiac pacemakers, defibrillators, artificial kidneys, hearts, blood vessels, joints, arms, and legs.
• Designing computer systems to monitor patients during surgery or in intensive care.
• Designing instruments and devices for therapeutic uses, such as a laser system for eye surgery or a device for automated delivery of insulin.
• Designing clinical laboratories and other units within the hospital and health care delivery system that utilize advanced technology.
• Designing, building and investigating medical imaging systems based on X-rays, magnetic fields (magnetic resonance imaging), ultrasound, or newer modalities.

In Summary

Bioengineering is a discipline that integrates the engineering sciences with the life sciences to improve human health.

Jullie Harvard is the author of http://www.studykiosk.com. This site featured over 1,000 online degrees and you can get more information on Online Bioengineering Degree at this site.

How To Choose A Portable Heart Rate Monitor For Measuring Your Heart Rate

Portable Heart Monitors enable users to measure the electrical activities of their heartbeats at home.With a monitor such as this they are not required to visit a healthcare facility. They are also not required to pay the added expense of going to the physician's office or hospital when they need an ECG diagnosis,these can be done at the comfort of their home.

Elderly people who have an active life with outdoor activities,sports like jogging,long distance running will benefit from using Portable Heart Monitors.

But,what exactly is a ECG/EKG machine.?

An electrocardiogram (EKG or ECG) is a medical diagnostic device which graphically records the electrical activity of the muscles of the heart. It is used to identify normal and abnormal heartbeats. First invented in the early 1900s, the ECG or EKG (derived from the German electrokardiogramma) has become an important tool for diagnosis of abnormal heart rhythms.

How does an ECG/EKG Monitor work?

EKG machine depends on the ability of the heart to produce electrical signals. The pumping action of the heart is regulated by the pacemaker region, or sinoatrial node, located in the right atrium. An electrical impulse is created in this region by the diffusion of calcium ions, sodium ions, and potassium ions across the membranes of cells. The impulse created by the motion of these ions is first transferred to the atria, causing them to contract and push blood into the ventricles. After about 150 milliseconds, the impulse moves to the ventricles, causing them to contract and pump blood away from the heart. As the impulse moves away from the chambers of the heart, these sections relax.

Using an EKG allows doctors to measure the relative voltage of these impulses at various positions in the heart. Electrocardiograms are possible because the body is a good conductor of electricity. When an electrical potential is generated in a section of the heart, an electrical current is conducted to the body surface in a specific area. Electrodes attached the body in these areas enable the measurement of these currents.

ECG devices have evolved considerably in the last few decades,from being large and bulky to lightweight and portable.The current generation of device can measure the electrical activity of the heart in seconds and give a digital output,These device use "Artificial Intelligence Technology"to detect any abnormal heart beats.

Unlike,the previous generation of ECG/EKG devices which required the help of well trained ECG/EKG professional to help in setting up of the device and measuring the ECG/EKG,the current generation of devices are portable and they require just the finger tips of the user to measure the electrical activity of the heart.

Why do we need a Portable ECG/EKG Machines?

One of the most important function of portable ECG/EKG Monitors is to diagnose Cardiac dysrhythmia also better known as arrhythmia.These are defined as a group of medical disorders which cause abnormal electrical activities in the heart.The heartbeats may vary from normal to either too fast or too slow,it may be regular or irregular.

Some of these arrhythmias are medical emergencies as they can result in sudden death.They may also predispose the patient to life-threatening stroke or embolism.Early diagnoses of these medical conditions is the key to life long healthy life.Portable Heart Monitors like SmartOneECG which uses Artificial Intelligent Technology can help in early diagnosis of abnormal Heart Rhythms.

About the Author

enny Starling has been in the Media world since a decade, She currently focuses on health care issues. She freelances on Heart Health information.She is currently advising Heart Health Initiative(HHI).HHI empowers people to control heart health in wellness and illness through non-invasive technology.

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