I had my heart checked out thoroughly under a cardiologist with stress echo, 48 hour halter monitor and blood tests etc. i woke up during night with lightheadedness and felt like i was about to pass out. pulse weaker than usual. what may cause that?
Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.