15 Heart Murmur Symptoms That May Indicate Serious Issues

Jeff King

7. Syncope: Dizziness or Fainting Spells

Tired asian businesswoman with headache at office, feeling sick and Chest pain, Woman feeling sick. Photo Credit: Envato @thichas

Dizziness or fainting (syncope) are alarming, immediate warning signs of a serious heart murmur. These episodes occur when the heart's output is so severely restricted (e.g., by a critically narrowed valve like in severe aortic stenosis) that insufficient blood reaches the brain, especially during exertion or rapid positional changes. This loss of consciousness signals a profound and dangerous reduction in cardiac output, demanding urgent medical assessment as it can indicate life-threatening cardiac dysfunction.

8. Palpitations or Irregular Heartbeat: The Erratic Rhythm

Doctor, consultation and elderly woman with chest pain for heart disease, advice and medical checku. Photo Credit: Envato @YuriArcursPeopleimages

Sensations of a racing, pounding, fluttering, or skipped heartbeat (palpitations) or a truly irregular pulse can directly signal a serious heart murmur. Faulty heart valves can alter blood flow patterns, stressing the heart's electrical system and leading to arrhythmias. These irregular rhythms can further compromise the heart's already strained pumping ability. Any persistent or concerning palpitations should prompt medical evaluation, as they may indicate electrical instability or structural issues directly linked to a murmur.

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7. Syncope: Dizziness or Fainting Spells

8. Palpitations or Irregular Heartbeat: The Erratic Rhythm

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