Bradycardia is a condition characterized by a slower than normal heart rate. While a normal adult heart beats between 60 and 100 times per minute, bradycardia is defined when heart rate falls below 60 ...

Sinus tachycardia is indicated on ECG with a normal upright P wave in lead II preceding every QRS complex (indicating that the pacemaker is coming from the sinus node and not elsewhere in the ...

Sinus bradycardia occurs when the heart rate is less than 60 beats per minute and sinus tachycardia when the heart rates is greater than 100 beats per minute in the setting of a sinus P wave on ...

Background Inappropriate sinus tachycardia (IST ... No episodes of severe bradycardia or syncope were reported. After 1 year, patients were asked to stop treatment to reevaluate the situation.