Friday, April 27, 2012

Echocardiogram ( Ultrasound used in Heart Disease determination )

Echocardiogram is a specialized test, which is done by sending high frequency sound for capturing the image of inside & outside of the heart that become visible in a monitor. It has no side effect. It doesn't need any significant preparation also. Echocardiogram works  on the basis of principle of ultrasonography. It is an important test for detecting disease of heart valve, Congenital anomalies of heart, Activity of heart, Tumor in heart, Blood clot within the heart, Any infection inside the heart, any disease of pericardium , Cardiomyopathy or disease of heart muscle(Cardiac Muscle) & any disease of large blood vessels attached with heart.
              2D M mood, Color Doppler, Contrast, Tissue Doppler etc , these are the types of Echo-cardiogram . Usually trans-thoracic, trans-esophageal, intravascular & intracardiac echocardiogram is done.

                    With the echocardiogram machine there is a transducer,from which sound wave produce & enter into the body. Transducer contains piezo-electronic material , it produce ultrasound when electricity falls upon it. Sounds coming back from the body receives by the transducer. Analyzing the sound waves an image generate,that become visible in the monitor. It can also print out by the printer & can also record on CD .
Use of Echocardiogram :
                      1. For determining any problem of heart valve such as narrowing of valve, improper closing of the valve or if any artificial valve is planted to see it's activity echocardiogram is used. In case of valve narrowing , how much narrowing occurred, intervention or is it requires any operation, can be determine by it. If the valve don't close properly, blood flows in reverse way, which is called regurgitation of valve. To determine the regurgitation, it's grading or severity color Doppler echocardiogram is done.
                       2. Heart has it's own blood supply by which heart muscle gets blood supply & nutrition. Due to any problem or disease of these blood vessels, a condition or disease arise, that is called Ischemic heart disease,which is expressed by chest pain,stable or unstable angina,myocardial infarction or heart attack. To determine Ischemic heart disease echocardiogram is used.
                       3. In many cases, the pumping capacity of heart reduce such as in Ischemic heart disease, Cardiomyopathy etc. By echocardiogram the activity of the heart or pumping capacity of the heart can be determine.
                4. Any tumor in heart chamber, any blood clot, from which many complications can arise. Echocardiogram is an important test for determining these.
                 5. To determine Congenital anomalies such as perforation in septum inside the heart- ASD(Atrial Septal Defect ) or VSD(Ventricular Septal Defect) , Congenital problem of heart valve, color Doppler echocardiogram is done.

                        6. Outside Covering of the heart is called pericardium. Many problems can be occurred here such as - fluid accumulation, blood clotting or hardening due to long term infection. For determining these echocardiogram is used.
                7. Problems of large blood vessels that are attatched to the heart such as Aneurism or dissection. Echocardiogram is used in these cases.

                  So, For determining heart diseases, Echocardiogram is very important.

1 comment:

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