Sonography (ultrasonography) is widely used in medicine. It is possible to perform both diagnosis and therapeutic procedures, using ultrasound to guide interventional procedures (for instance biopsies or drainage of fluid collections). Sonographers are medical professionals who perform scans which are then typically interpreted by themselves or the radiologists, physicians who specialize in the application and interpretation of a wide variety of medical imaging modalities, or by cardiologists in the case of cardiac ultrasonography (echocardiography). Sonographers typically use a hand-held probe (called a transducer) that is placed directly on and moved over the patient. Increasingly, clinicians (physicians and other healthcare professionals who provide direct patient care) are using ultrasound in their office and hospital practices.
An Echocardiogram (Echo) is a non-invasive test that uses sound waves to make pictures that look at the structure and function of your heart (two dimensional Echo or 2D Echo). A transducer or ultrasound probe is held against your chest wall with special ultrasound gel to help get good transmission of the sound waves. The transducer converts electrical energy into very high frequency sound waves (ultrasound), which are then sent into your body. When the sound waves reach your heart, they are reflected back and received back by the transducer. The machine creates a picture by determining the time it took for the sound wave pulse be reflected from a heart structure and how much of the pulse is reflected. The pictures that are created are like "slices of bread" with the heart being the bread loaf. The transducer is moved back and forth on the skin over the chest wall creating new pictures (ultrasound slices).
Pathology is a medical specialty that focuses on determining the cause and nature of diseases. By examining and testing body tissues (e.g. biopsies, pap smears) and fluids (e.g. blood, urine) pathology helps doctors diagnose and treat patients correctly.
baby (259x194)Only moments after birth every Australian newborn receives a heel prick test that screens for serious genetic conditions. Throughout childhood, adulthood and old age, pathology continues to help prevent, diagnose and treat infections, allergies, chronic diseases, cancer and countless other medical conditions. Without pathology, the high standard of Australian medicine would be impossible.
Pathology services are an essential part of almost all aspects of a person’s healthcare.
A stress test, sometimes called a treadmill test or exercise test, helps your doctor
find out how well your heart handles its workload. As your body works harder during the test, it requires more fuel and your
heart has to pump more blood. The test can show if there’s a lack of blood supply through the arteries that go to the heart.
Taking a stress test also helps your doctor know the kind and level of physical activity that’s right for you.
Regular health exams and tests can help find problems before they start. They also can help find problems early,
when your chances for treatment and cure are better. Which exams and screenings you need depends on your age,
health and family history, and lifestyle choices such as what you eat, how active you are, and whether you smoke.
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