Lying down does not make you dizzy. Standing up makes you dizzy. Blood pressure is normal. Heart rat

The patient will feel dizzy when lying down and sitting. His blood pressure is normal. At the same time, his heart rate is too slow. It is considered to be caused by heart disease. For example, common infectious myocarditis and myocardial ischemia. It is recommended that the patient go to the hospital for treatment, clarify the specific cause, and receive targeted treatment as soon as possible.