PSVTs, or paroxysmal supraventricular tachycardias, are generally quite bothersome, but almost never life-threatening. The only time when PSVTs can pose serious danger is in the rare setting of Wolff-Parkinson-... continue reading  about  I have occasional rapid heartbeats, which my doctor recently diagnosed as PSVD. But I have no other heart conditions. So he did not suggest any type of treatment except to avoid certain things like alcohol. Is there anything else I should be doing?

Sometimes a carotid artery can narrow and be 'asymptomatic', meaning that the patient has no symptoms. Symptoms do vary from patient to patient. When symptoms do appear, they are usually the same symptoms as a ... continue reading  about  What are the symptoms of a narrowing carotid artery in the neck?

Palpitations can feel different to different people. Sometimes they are described as a skipping sensation of the heart. Sometimes an irregularity in the heart beat is likened to a bird fluttering around inside ... continue reading  about  How do I know if I'm having a heart palpitation? What do they feel like?

When the heart beat starts to slow down, or when the conduction starts to block every so often, sometimes it is because a medication is stressing the heart's electrical system. If there are no medications to ac... continue reading  about  My heart has been skipping and I'm feeling dizzy. I went in for testing and was diagnosed with second degree heart block. The doctor said that if it goes to third degree, he might suggest a pacemaker. What can I do to avoid moving to third degree?

It is not uncommon to miss heart palpitations during a 24-hour ECG monitor. Palpitations can come and go, and catching them can be elusive at times. There are monitors that can be worn for seven days or longer ... continue reading  about  I have heart palpitations and have been tested with the 24-hour monitors. But of course my palpitations never seem to happen when I have the Holter monitor on. So how can my problem be diagnosed?

There are a number of heart rhythm abnormalities that can cause a sudden rapid heartbeat during exercise. A normal evaluation in the emergency room typically will not reveal the rhythm problem because the evalu... continue reading  about  My son, 20, is leaving for boot camp soon. He's developed a rapid heartbeat during his work outs and sudden spikes in blood pressure. He had an EKG and all was normal. They thought it was stress. What are the next steps?

The most common cause of sudden cardiac death is ventricular tachyarrhythmia. Ventricular tachyarrhythmia is a very rapid and unstable rhythm that originates from the lower chambers of the heart, or the ventric... continue reading  about  What is sudden cardiac death and who is at most risk? Are there any signs or symptoms?

In general, heart palpitations are not a serious problem as long as the heart is healthy. Being in good physical shape and staying active are good signs that the heart is indeed healthy. There are times, howeve... continue reading  about  Are heart palpitations a serious symptoms for someone 62 years old and in good physical shape? My PCP did an ECG and a Holter monitor exam, and suggested I see a cardiologist. Do I need to?

That's a good question, as we usually are focused on cholesterol levels that are too high. Our cells and body depend upon cholesterol for healthy functioning. There are genetic, metabolic and dietary factors th... continue reading  about  We hear about high cholesterol, but can someone have cholesterol numbers that are too low?