Irregular or abnormal heartbeat, also known as arrhythmia is a condition in which the heart beats out of rhythm. The regular rhythm of the heart is normally adequate for the functioning, which is around 50-100 beats per minute in an adult. The rate is slightly higher in children when compa...
Sick sinus syndromeis due to defective sinus nodes. The sinus nodes are the natural pacemakers in the heart. Heart rhythms will beat too quickly or, more commonly, too slowly when malfunctioning. Conduction blockis a heart rhythm condition caused by a breakdown in the flow of the electrical pu...
Symptoms can include anxiety, weight loss, rapid or irregular heartbeat, and lighter periods. In contrast, hypothyroidism slows down the body’s energy use. Symptoms may include fatigue, unexplained weight gain, forgetfulness, and frequent, heavy periods. Thyroid conditions typically develop slowly, ...
From the SA node, the impulse travels through the AV node (atrial-ventricular node), the "gatekeeper" of impulses, to the lower chambers of the heart (ventricles) via the bundle of His, telling the ventricles it's their turn to beat.The sequence of this electrical event causes the atria ...