There are several causes of chest pain and headache.. Both may or may not be related to each other.. Heaviness in head basic reason include sinusitis, excess alcohol consumption or smoking, sleepless nights or lack of good sleep, constipation,hyper or hypotension, hypoglycemia and many more. Before ECG or 2D echo what you need is to check your Blood Pressure primarily..A good History and examination will help You to know the cause of your symptoms. Do visit our Clinic for further assistance.