An S4 heart sound cannot be present during atrial fibrillation (atrial kick is required). An S3 heart sound cannot be present in the setting of severe mitral stenosis. An S3 heart sound can be present ...
Doctors can use various blood tests to determine whether a person has experienced a heart attack. If a doctor suspects a person has had a heart attack, they will typically take a blood sample and test ...
An EKG can detect disruptions in the heart’s electrical activity, potentially indicating damage from a past heart attack, but it is most accurate when used with other tests. While an EKG can help ...
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