Coronary angiography may be advised when a patient experiences symptoms that could indicate reduced blood flow to the heart. These may include chest pain or pressure, particularly during physical activity, discomfort that may extend toward the arm, shoulder, neck, jaw or back, shortness of breath, or unexplained symptoms associated with exertion. It may also be considered after a heart attack or when other cardiac investigations suggest a possible problem with the coronary arteries.
Before coronary angiography, the doctor reviews the patient’s symptoms, medical history, medications and relevant risk factors. Depending on the situation, tests such as an electrocardiogram, blood tests, echocardiography, stress testing or cardiac imaging may be performed. Coronary angiography provides direct X-ray images of the coronary arteries and can show the location and extent of narrowing or blockage. This information helps the cardiology team determine the most appropriate treatment approach.
Coronary angiography is primarily a diagnostic procedure, but its findings can help determine whether further treatment is necessary. Depending on the severity and location of coronary artery narrowing, treatment may include medicines and lifestyle modifications, catheter-based procedures such as coronary angioplasty and stent placement, or coronary artery bypass surgery in selected patients. In some cases, additional measurements or imaging performed during catheterisation may provide more information about the significance of a narrowing before a treatment decision is made.
After coronary angiography, patients are monitored for a period to check their blood pressure, pulse and the catheter insertion site. Many patients can return home on the same day, depending on their condition and whether any additional procedure was performed. Mild tenderness or bruising around the wrist or groin may occur and generally improves with time. Patients should follow their cardiologist’s instructions regarding medications, physical activity, wound care and follow-up appointments, and should avoid driving until they have been advised that it is safe to do so.
Coronary angiography is generally considered a safe procedure, although, like any invasive medical procedure, it carries some risks. Minor complications can include bruising, soreness or bleeding at the catheter insertion site. Less common complications may include infection, blood-vessel injury, an allergic reaction to the contrast agent or temporary changes in kidney function. Serious complications such as heart attack or stroke are rare, but the individual risk can vary depending on the patient’s underlying heart condition and overall health.
Patients should seek medical attention if they experience persistent or worsening chest pain, significant bleeding or swelling at the catheter insertion site, severe pain, fever, increasing redness or warmth around the wound, or unusual coldness, numbness or colour changes in the arm or leg where the catheter was inserted. New or severe symptoms after coronary angiography should be assessed promptly rather than being ignored. If you have ongoing chest discomfort, breathlessness or other symptoms suggestive of a heart problem, consult a qualified cardiologist for appropriate evaluation and advice.
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