ICD Generator and Leads
Implantable Cardioverter Defibrillator · Icd · Aicd · Defibrillator Generator · Defibrillation Lead
A flat, rounded metal case (the generator) with a clear plastic header where the leads plug in, and long insulated wire leads with coiled shockshokA life-threatening state in which blood flow is too low to bring enough oxygen to the body's tissues.Full entry segments and an electrode tip.
On the table
What it does, the lengths it comes in and what experienced techs know about it.
What it’s for
Implanted for patients at risk of ventricular tachycardiaven-TRIK-yuh-ler tak-ih-KAR-dee-uhA fast heart rhythm that starts in the lower chambers of the heart (the ventricles), usually over 100 beats per minute.ventricul/o ventricletachy- fastcardi/o heart-ia conditionFull entry or fibrillationfib-rih-LAY-shunFast, uncoordinated twitching of muscle fibers, most often in the heart, so the muscle quivers instead of contracting together.fibr/o fiber-ation processFull entry . The leads are passed through a vein into the heart, with the defibrillationdee-fib-ruh-LAY-shunAn electric shock given to the heart to stop a chaotic, life-threatening rhythm so a normal rhythm can return.Full entry lead in the right ventriclerite VEN-trih-kulThe lower right chamber of the heart, which pumps blood to the lungs.Full entry , and the generator is placed in a pocket under the skin of the chest. The device senses dangerous rhythms and delivers a shockshokA life-threatening state in which blood flow is too low to bring enough oxygen to the body's tissues.Full entry ; most also pace for slow rhythms after a shock.
Lengths and variants
Single chamber (right ventriclerite VEN-trih-kulThe lower right chamber of the heart, which pumps blood to the lungs.Full entry lead), dual chamber (adds an atrialAY-tree-ulRelating to an atrium, one of the two upper chambers of the heart.atri/o atrium-al relating toFull entry lead) and biventricular (adds a coronary sinusSY-nusA hollow space in the body, most often one of the air-filled spaces in the skull bones around the nose.Full entry lead for the left ventricleLEFT VEN-trih-kulThe heart's lower left chamber, which pumps oxygen-rich blood into the aorta and out to the body.Full entry ).
What experienced techs know
What techs who reach for it every day know about it.Pro
Through the case
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- Before the case
Inspection and testing
What to check before it reaches the field.Pro
- After the case
Care and reprocessing
How it is cleaned, checked and sent back to sterile.Pro
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2 sources
- Goldman. Pocket Guide to the Operating Room. 3rd ed. Chapter 20 (Thoracic Surgery), p. 467
- Fuller. Surgical Technology: Principles and Practice. 6th ed. Chapter 34 (Cardiac Surgery), p. 921
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