Health

Persistent Heart Fluttering and Light-Headedness: Should a 70-Year-Old Woman Be Concerned?

January, 07, 2025-02:08

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Persistent Heart Fluttering and Light-Headedness: Should a 70-Year-Old Woman Be Concerned?

Several weeks ago, while participating in my usual Zumba class, I experienced a rapid heartbeat and a sensation of light-headedness. Since that incident, I have frequently noticed a fluttering sensation in my chest, accompanied by episodes of indigestion. Should I be concerned? I am a slender, active woman aged 70.

A: The symptoms you are experiencing necessitate a consultation with a general practitioner, especially considering your age of 70. My initial concern is atrial fibrillation (AF), which is a disorder related to the electrical signals that regulate heartbeats, leading to episodes of a rapid and irregular pulse.

Additional symptoms may include palpitations, which is the sensation of being acutely aware of your heartbeat, as well as chest pain, shortness of breath, and feelings of faintness or light-headedness. It is important to note that chest pain associated with heart issues can sometimes be misinterpreted as indigestion.

Atrial fibrillation can be diagnosed in a hospital setting through an electrocardiogram (ECG), a test that involves placing electrodes on the chest to monitor heart activity. Since AF episodes are not continuous and tend to fluctuate, patients may be provided with a portable ECG device to wear for a few days, increasing the likelihood of capturing an episode.

Your concerns regarding light-headedness and a racing heart during Zumba, which have persisted, should not be overlooked. It is crucial to address AF, as the irregular heartbeat can lead to the formation of blood clots within the heart, which may subsequently travel to the brain and result in a stroke.

These symptoms may also indicate a condition known as postural orthostatic tachycardia syndrome (POTS), characterized by an increased heart rate upon standing. Patients often report dizziness and fatigue, particularly after physical activity. POTS has become more prevalent, especially following the Covid pandemic, although the reasons for this increase remain unclear.