Exam 14: Ecg Interpretation

On an ECG, what does a variation of 0.1 seconds between the longest and shortest RR intervals indicate?

What variance in RR intervals must be present to be considered sinus arrhythmia?

What is the term for the occurrence of two PVCs in a row?

Which abnormal atrial mechanism is often one of the first signs of CHF?

How is the rate determined on an ECG when the ventricular heart rate is irregular?

Which atrial abnormality results in an atrial rate of 130-250 bpm with a normal ventricular rate?

Which of the following is recommended to be administered via the ET tube for stable ventricular tachycardia?

What is the term for the occurrence of three or more PVCs in a row?

Which abnormal atrial mechanism is associated with anxiety, excessive ingestion of caffeine or alcohol and early stages of menopause?

If there are 9 QRS complexes found in 2 vertical 3 second marks on an ECG, what would the rate equal?

On an ECG when the ventricular heart rate is regular, the rate can be determined by counting the number of large squares between two consecutive QRS complexes then

What is characterized by multiple and chaotic electrical activities of the ventricles?

What is another term for "flat-line"?

In atrial fibrillation, what is the approximate atrial rate?

Which ECG abnormality is characterized by the absence of a P wave, a wide bizarre QRS, followed by a T wave of opposite polarity?

Which dysrhythmia causes a P prime wave on the ECG?

In a resting adult, what is the term for a heart rate less than 60 bpm, or "slow heart"?

In which dysrhythmias would ff waves be present?

Which of the following can produce a pulseless arrest? Asystole Ventricular tachycardia Ventricular fibrillation Pulseless electrical activity

Which atrial abnormality is often seen in women during the third trimester of pregnancy?