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

Any tachycardic rhythm with a left or right bundle branch block that is NOT ventricular tachycardia is considered "supraventricular tachycardia with aberrancy". This would even include sinus ...

Furthermore, if a person's ECG is normal, worrisome features about a person's palpitations can be obtained during the medical history. Lastly, sinus tachycardia is a common cause of palpitations.

This is thought to occur when cells surrounding the sinus node generate ... Ventricular tachycardia is diagnosed with a ...