What is the cause of sudden fainting in a patient with a history of cardiovascular disease?

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Question
Hello doctor,
My father has a heart condition and has had a stent placed twice in 2017 and 2018. Recently, my father has fallen and fainted for 5-7 minutes while walking around the house. So the doctor let me ask the patient with a history of cardiovascular disease, why suddenly fainted? I want to check for early signs of stroke for my father to take preventive measures, can the doctor advise me on the appropriate screening tests? Thank you doctor.
Anonymous customer
Answer
Answered by Specialist Doctor I Le Thanh An - Department of Medical Examination & Internal Medicine, Vinmec Nha Trang International General Hospital.
Hello,
With the question “What is the cause of sudden fainting in the patient with a history of cardiovascular disease? ”, the doctor would like to answer as follows:
The problem you mentioned is that the patient suddenly fainted. For all cases of fainting, it is necessary to visit a Cardiologist for advice and screening of the patient's cause of syncope. The case of the patient, who has a history of coronary artery disease with stenting, needs more attention.
Usually, the causes of syncope are classified into two main groups: Cardiovascular causes (such as arrhythmia,...) and neurological causes (including stroke,...).
Therefore, when coming to the clinic, the patient will be given tests such as: normal electrocardiogram, Holter electrocardiogram, echocardiogram, carotid doppler ultrasound, brain CT/MRI, and some tests Other blood needed to screen for the cause.
If you still have questions about a patient with a history of cardiovascular disease who suddenly faints, you can go to a hospital under Vinmec Health System for further examination and advice. Thank you for trusting and sending questions to Vinmec. Wishing you lots of health.
Best regards!

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