Dysrhythmias Part One STUDENT A. B. C. D. E. QRS complex P wave PR segment ST segment T wave ____ Atrial depolarization ____Impulse traveling through AV node, where it is delayed ____Ventricular depolarization ____ Early ventricular repolarization ____ Ventricular repolarization PR interval: _____ to ______ seconds (_____ small blocks) QRS duration: ____ to _______ seconds (_____ small blocks) Small block = ______seconds Large block = _______seconds Five large blocks = _______ seconds Fifteen large blocks = ________seconds Thirty large blocks = ________ seconds Use the ECG strip below to estimate the heart rate using the 6-second method. ________bpm Normal Sinus Rhythm: _______ to ________ bpm Dysrhythmias Part One STUDENT Bradycardia: ______ bpm Tachycardia: _______bpm Sinus tachycardia: __________ bpm Sinus bradycardia: __________ bpm What is the pacemaker in all sinus dysrhythmias (Sinus tachycardia, Sinus bradycardia) ? ______ Identify the following rhythms. Describe what is occurring in each rhythm. Indicate the treatment for each dysrhythmia. Rhythm:_____________________ Calculate heartrate using the six second method: _________________ Rate: ______________ bpm Rhythm: P waves: PR interval: QRS duration: Treatment: Dysrhythmias Part One STUDENT Rhythm: ___________________________________________________________________________ Causes: Symptom: Treatment: Dysrhythmias Part One STUDENT Rhythm: ____________________________________________________________________________ Causes: Symptoms: Treatment: Dysrhythmias Part One STUDENT Rhythm: _____________________________________________________________________________ Causes: Symptoms: Treatment: