My wife, who has had mild prolapsed valve symptoms for several years (heart flutter),  recently has experienced severe irregular heartbeat on three occasions after two hours of going to bed. This is followed by a feeling of severe restriction in the throat area and upper chest. Advice?
Hi Thereafter going through your query I understand your concern. I would like to tell you that atrial Flutter is an abnormal rhythm of heart and is commonly associated with chest discomfort, racing heart, lightheadedness, breathing difficulty etc. Symptoms vary patient to patient, some have mild symptoms and severe symptoms. Atrial Flutter is also associated with fetal complication. So if she got episodes of rapid heart rate with chest discomfort then It's recommended to see your Cardiologist for further evaluation and treatment. Kind Regards