What is a common symptom of thyroid storm?

Increased heart rate is a common symptom of thyroid storm, which is a severe and life-threatening condition resulting from uncontrolled hyperthyroidism. In this state, the excessive production of thyroid hormones stimulates the body's metabolic processes, leading to a range of symptoms primarily associated with heightened sympathetic nervous system activity. One key manifestation is the increased heart rate, known medically as tachycardia, which occurs as the body's metabolism accelerates dramatically. This can lead to palpitations and even arrhythmias, which are critical to recognize in a clinical setting.

Other symptoms of thyroid storm may include fever, agitation, tremors, and gastrointestinal symptoms, all contributing to the urgency of treatment required to stabilize the patient. Recognizing increased heart rate as a vital sign of thyroid storm is essential for timely intervention in emergency situations.