Attention, chocolate lovers: You may not be able to help yourselves. Swiss and British scientists have linked the widespread love of chocolate to a chemical "signature" that may be programmed into our metabolic systems.
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Obtaining a full history and physical exam may lead a healthcare provider to
suspect a ventricular septal defect. Other tests that may be done to confirm the diagnosis may include:
chest x-ray
electrocardiogram, or ECG
echocardiogram, or ultrasound of the heart and its blood flow
cardiac catheterization, which is a special x-ray using a contrast agent