Cardiac diagnostics are used to assess cardiovascular health and detect potential cardiac conditions. Cardiac diagnostics Sydney is essential to patient care, helping physicians and healthcare providers make informed decisions regarding treating cardiovascular diseases.
What is Cardiology?
Cardiology is the branch of medicine that deals with disorders and diseases of the heart and blood vessels. A physician who practices cardiology is called a cardiologist.
Cardiology includes the study of congenital heart defects, coronary artery disease, heart failure, heart rhythm disorders, valvular heart disease and electrophysiology.
In addition to medical care, cardiologists may have other roles, such as acting as expert witnesses in court cases.
Signs of an unhealthy heart
A healthy heart is the result of good lifestyle choices. If you’re looking for signs of an unhealthy heart, check out the following:
- Chest pain or discomfort
- A heartbeat that is too fast or slow
- Feeling faint or dizzy.
- Shortness of breath
- An abnormal heart valve, coronary artery disease, congestive heart failure and other conditions can cause chest pain or discomfort. Chest pain may radiate to your upper back, shoulders, neck, and jaw. If you experience these symptoms, seek medical attention immediately.
Services offered by the best cardiologists in Sydney:
The following services, among many more, are being offered by our best cardiologists in Sydney:
ECG
The ECG, or electrocardiogram, is a test that records the electrical activity of your heart over a short period of time. This test can help your doctor diagnose a heart problem and determine whether you’re at risk of a heart attack or other heart-related problems.
An ECG records signals from electrodes attached to your skin. It shows how fast and how often your heart beats and which areas of the heart are more active than others.
The test takes only a few minutes to complete. You’ll need to lie still on a bed while small sensors are attached to your chest, arms and legs with sticky patches that don’t hurt when removed.
Your doctor will then ask you to breathe deeply and hold your breath briefly while the ECG machine records your heartbeat pattern over a few seconds. The machine then prints out a paper tracing — also called an electrocardiogram — that shows your heart’s electrical pattern at that moment.
Pacemaker Insertion
Pacemaker insertion is a procedure that involves placing a device called a pacemaker into your chest to control your heartbeat.
The procedure usually takes about an hour. You’ll be awake during the procedure and able to talk with your doctor and the team performing it. Afterwards, you may feel sore for a few days, but most people are able to go home after about a day in the hospital.
Sometimes, your doctor may recommend that you stay overnight for observation or have someone bring you home the same day as surgery.
Pacemakers help regulate your heartbeat if it beats too slowly (bradycardia) or too quickly (tachycardia). Pacemakers are implanted under the skin of your upper left chest by a minimally invasive surgical technique called transvenous implantation. A wire leads from the pacemaker to one of four chambers of your heart (ventricle). The wire is inserted into the vein under X-ray guidance, so there’s no need for open-chest surgery.
Stenting
Stenting refers to placing a stent in a blood vessel to help keep it open. A stent is a tiny tube made of metal or plastic that’s inserted into a blocked artery. Stents can be temporary or permanent, depending on whether they’re made of metal or plastic.
The purpose of using stents is to prevent further blockage and restore blood flow to the heart or brain.
Stent placement is most commonly used for people who have undergone angioplasty and have had their arteries opened but are still at risk for reclosure (restenosis).
Stenting can also be used for treating aneurysms (bulges in the artery wall), treatment of acute coronary syndrome (ACS) and treatment of peripheral vascular disease (PVD).
Ablation Therapy
Ablation therapy is a treatment that uses radio waves to destroy abnormal tissue in the body. This can be done by burning and sealing off the veins or arteries that are feeding the growths and tumors. Ablation can also be used to destroy benign growths such as fibroids, polyps, or cancers.
The most common types of ablation therapy include:
- Radiofrequency ablation (RFA). This procedure uses an electric current to destroy tissue by heating it up until it is no longer viable.
- In this procedure, liquid nitrogen is applied to the affected area to freeze the tissue and kill it.
- Laser ablation. A laser beam is used in this procedure so that it can break down blood vessels supplying tumours or growths with heat energy.
Defibrillator Insertion
The defibrillator is a device used to shock a person’s heart back into normal rhythm. The defibrillator is inserted into the chest through an incision made in the patient’s chest wall. The defibrillator contains a battery that sends an electrical charge through wires to the heart.
The doctor will use x-rays to guide the insertion of the wire through blood vessels and into the heart. Then, he or she will attach a pad to the wire and send electricity through it. More than one attempt may be needed to restore normal rhythm if necessary.
Electrophysiological Studies
Electrophysiological studies of the brain have provided a wealth of information about the neural basis of cognition. By recording from the scalp or electrodes implanted in the brain, electroencephalography (EEG) and event-related potentials (ERP) have been used to study memory, attention, language, and other cognitive processes.
Electroencephalography is a technique for measuring electrical activity in the brain by using electrodes placed on the scalp. The EEG measures voltage fluctuations resulting from ionic currents within the neurons of the brain. These voltage fluctuations are relatively small, so multiple electrodes are required to detect them. An EEG recording typically includes many channels (i.e., electrodes) along with information regarding when each channel was sampled relative to an event of interest, such as an acoustic stimulus or a subject’s response to an instruction.
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