1. Introduction Heart palpitations paired with shortness of breath at rest are frequently caused by cardiac arrhythmias, severe anxiety, or endocrine imbalances such as hyperthyroidism. When the heart beats irregularly or too rapidly, its ability to pump oxygenated blood efficiently is compromised, triggering a reflex that increases respiratory rate. Because these symptoms can also indicate … Read more
1. Introduction When your heart suddenly feels like it has skipped a beat, fluttered, or performed a heavy thump in your chest, it is most often experiencing a premature contraction. This exceedingly common phenomenon, clinically categorized as a palpitation, occurs when an electrical signal fires too early in the heart’s normal rhythm. While the sensation … Read more
1. Introduction Experiencing a sudden, racing heartbeat while completely at rest is clinically defined as resting tachycardia or palpitations. This sensation occurs when the heart rate unexpectedly accelerates beyond the normal physiological resting range, which is typically between sixty and one hundred beats per minute. When this acceleration happens without physical exertion or obvious external … Read more
1. Introduction A rapid heart rate while you are completely at rest, medically known as resting tachycardia, can be a normal physiological response to dehydration, fever, or emotional stress, but it can also signify a dangerous cardiac arrhythmia. You must seek immediate emergency medical care if your rapid heart rate is accompanied by severe chest … Read more