Bradycardia (Slow Heart Rhythm)

Heart block occurs when the electrical signals get blocked while trying to go from the atria down to the ventricles. Usually a backup rhythm arises in the ventricles below where the electrical signals are blocked. However, atria and ventricle will…
Sick sinus syndrome occurs when the patient’s sinus node is not working adequately. This can lead to slow resting heart rates, an inability for heart rate to rise with exercise (chronotropic incompetence), pauses, or no heart rhythm for an extended…