Shannon-Important Pacemaker/AICD Information Flashcards

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1
Q

Indications for insertion of pacemakers—___/___ node disease; long ___ syndrome; ___trophic obstructive cardiomyopathy; ___ cardiomyopathy

A

SA/AV node disease; long QT syndrome; hypertrophic obstructive cardiomyopathy; dilated cardiomyopathy

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2
Q

Heart rhythm society pacemaker codes—position 1 = chamber ___; position 2 = chamber ___; position 3 = ___; position 4 = ___; position 5 = ___ pacing

A

Position 1 = chamber paced

Position 2 = chamber sensed

Position 3 = response to sensing

Position 4 = programmability

Position 5 = multisite pacing

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3
Q

Pacemaker codes—position 4 programmability—rate modulation will ___ (increase/decrease) the pacer’s lower heart rate limit in response to activity that may require an ___ (increased/decreased) myocardial oxygen demand

A

Rate modulation will increase the pacer’s lower heart rate limit in response to activity that may require an increased myocardial oxygen demand

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4
Q

Failure to ___ = when the pacemaker’s electrical output fails to cause myocardial depolarization

A

Failure to capture

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5
Q

Failure to ___ = the pacemaker fails to recognize intrinsic cardiac electrical activity

A

Failure to sense

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6
Q

Indications for ICD = ventricular ___/___; post MI with an EF < ___%; cardiomyopathy with an EF < ___%; ___trophic cardiomyopathy; awaiting a ___ transplant; long ___ syndrome

A

Ventricular tachycardia/fibrillation; post MI with an EF < 30%; cardiomyopathy with an EF < 35%; hypertrophic cardiomyopathy; awaiting a heart transplant; long QT syndrome

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7
Q

Heart Rhythm Society ICD Codes—position 1 = ___ chambers; position 2 = anti-___ pacing chambers; position 3 = ___ detection; position 4 = anti-___ pacing chambers

A

Position 1 = shock chambers

Position 2 = anti-tachycardia pacing chambers

Position 3 = tachycardia detection

Position 4 = anti-bradycardia pacing chambers

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8
Q

An ICD cardioverts V tach with ___-___ joules

A

1-30 joules

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9
Q

An ICD defibrillates V fib with ___-___ joules; if an ICD acknowledges that a shock is needed, it will deliver ___ shocks

A

Defibrillates V fib with 10-30 joules

If an ICD acknowledges that a shock is needed, it will deliver 6 shocks

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10
Q

What is the most prevalent source of electromagnetic interference in the OR?

A

Electrocautery

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11
Q

___polar cautery has the anode and cathode at the tip of the device

A

Bipolar cautery

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12
Q

There is less risk of EMI with ___polar cautery

A

Bipolar cautery

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13
Q

Monopolar cautery requires a ___ pad to be placed elsewhere on the body

A

Grounding pad…why monopolar cautery has greater risk of EMI than bipolar

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14
Q

Application of a magnet on a pacemaker—will set the pacemaker into the set ___ pacing rate; may disable any rate ___ that could be set with the pacemaker

A

Will set the pacemaker into the set asynchronous pacing rate (backup rate); may disable any rate modulation that could be set with the pacemaker

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15
Q

Application of a magnet on an ICD—will disable the ability of ICD to ___

A

Shock VT or VF

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16
Q

Application of a magnet on a dual pacemaker AND ICD—will only disable the ___ function

A

Shock function