Term
| What is the normal pacemaker of the heart for adults, children and infants? |
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Definition
Adults 60-100
Children 80-120
Infants 100- 140 |
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Term
| What is the time called for an impulse to travel from the SA Node to the AV Node and thru the bundle of His? |
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Definition
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Term
| What is ventricular depolarization on the EKG. |
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Definition
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Term
| What is Atrial depolarization on the EKG? |
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Definition
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Term
| What is ventricular repolarization on the EKG? |
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Definition
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Term
| What is the normal adult PR interval? |
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Definition
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Term
| What is the normal QRS length? |
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Definition
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Term
| What are the three componenets of the Permanent Pacemaker? |
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Definition
Pulse Generator
Pacemaker leads
Electrodes |
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Term
| When or why does a demand pacemaker fire? |
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Definition
| If fires when the patients own conducting systems fails to fire. |
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Term
| __________ refers to the pacemakers ability to detect and recognize spontaneous atrial and/or ventricular depolarization? |
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Definition
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Term
| Which mode refrains from firing when it senses depolarization has occurred? |
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Definition
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Term
| Which mode fires when it sees a specific stimulus? |
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Definition
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Term
| What does the first letter of the pacemaker code identify? |
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Definition
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Term
| What does the second letter of the pacemaker code identify? |
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Definition
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Term
| What does the thrid letter of the pacemaker code identify? |
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Definition
Response: inhibited
triggered
dual
none |
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Term
| What does the fourth letter of the pacemaker code identify? |
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Definition
Prgramability: telemetry
rate
modulation |
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Term
| What does it mean if there is a fifth letter on the pacemaker code? |
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Definition
| It's an ICD: pace, shock or both |
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Term
| List four reasons for implating a pacemaker? |
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Definition
1. Sick Sinus Syndrome
2. Complete Heart Block
3. Second degree heart block
4. Symptomatic Bradycardia |
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Term
| What is the most common reason for inserting a pacemaker |
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Definition
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Term
| What are some common symptoms of Sick Sinus Syndrome? |
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Definition
Intermittant episodes fo sinus arrest
Persisitant or unexplained bradycardias
Brady - tachy rythms
drop in cardiac output |
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Term
| What is the pacemaker malfunction in which the pacemaker senses unwanted signals and interprets them as cardiac depolarizations? |
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Definition
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Term
| How do you correct oversensing? |
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Definition
| decrease the sensitivity by turning it to a higher number |
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Term
| What is the pacemaker malfunction in which the pacemaker fails to detect or recognize spontaneous cardiac depolarizations? |
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Definition
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Term
| How do you correct undersensing? |
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Definition
| increase the sensitivity by turning it to a lower number |
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Term
| What is the most common code for permanent pacemakers? |
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Definition
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Term
| What is the most common code for transvenous pacemakers? |
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Definition
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Term
| A pacing wire in the R ventricle will cause the patient to have what rhythm? |
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Definition
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Term
| List three possible outcomes of perforation of the pericardium or septum by a pacing wire. |
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Definition
Pericardial friction rub
Right Bundle Branch Block
Cardiac tamponade |
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Term
| Describe failure to pace. |
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Definition
| Long pauses between pacemaker spikes |
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Term
| Describe failure to capture. |
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Definition
| Pacer spikes not followed by a QRS complex. |
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Term
| What veins are used for transcutaneous pacing? |
|
Definition
Brachial
Femoral
External jugular
subclavian
Internal juglular |
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Term
| What happens when you place a donut magnet over a permanent pacemaker? |
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Definition
| Causes the pacemaker to fire at a higher predetermined rate. |
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Term
| If you place a donut magnet over a permanent pacemaker and it does not asynchronously pace at a higher rate, what could be wrong? |
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Definition
| There is a problem with the pacer wires or battery. |
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Term
| What type of patients receive biventricular pacemakers? |
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Definition
| CHF patients unresponsive to medications. |
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Term
| What kind of QRS would you have in a patient with a biventricular pacemaker. |
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Definition
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Term
| Why do you not see single chamber pacemakers very often? |
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Definition
| You lose your atrial kick? |
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Term
| Which pacemaker wire do you plug in first and why? |
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Definition
| positive is the ground wire. |
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Term
| Why should you wear gloves when using a transcutaneous pacer? |
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Definition
| Static electricity can cause the pulse generator to activate. |
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Term
| When you turn on the transcutaneious pacemaker, how long will it take to sense? |
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Definition
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Term
| ____________ preserves the battery life of the permanent pacemaker by waiting to see if the heart will fire on its own. This also keeps the heart from becoming lazy. |
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Definition
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Term
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Definition
| An intrinsic and paced beat occurring simutaneously. |
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Term
| In what mode does the pacemaker search for an intrinsic cardiac activity and deliver a pace impulse if it does not sense a beat with in a designated interval? |
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Definition
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Term
| In what mode does the pacemaker deliver electrical stimuli at the seclected pace rate regardless of the patient's intrinsic activity? |
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Definition
| Non-demand or asynchronous |
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Term
| What serious complications can occur with Non-demand pacing? |
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Definition
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Term
| What is a good initial setting for the transcutaneous pacemaker if you have not yet been given the settings? |
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Definition
Rate 60
MA 5
Sensitivity 2.5 |
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Term
| What happens when you hold a donut magnet over and ICD? |
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Definition
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