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arterial catheterization

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arterial catheterization
Cardiology The insertion of an indwelling catheter in order to monitor a particular hemodynamic parameter in the circulation in 'real time'
Arterial catheterization–indications
Monitor
Hemodynamically unstable Pts who may be hypo– or hypertensive, currently treated with vasopressor or vasodilator agents
Sample blood
on a regular basis to assess blood gases–oxygen, carbon dioxide in a mechanically ventilated Pt
Determine cardiac output


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In those days we pushed patients to undergo angiograms (invasive arterial catheterization imaging) if they had sufficient symptoms of chest pain, borderline exercise tests, and especially if their cholesterol was greater than 280.
In an intensive-care setting where patients may require frequent (perhaps two hourly) blood-gas testing, arterial catheterization may be justified because it allows not only convenient and painless access to arterial blood but also continuous blood-pressure monitoring.
If we were to wait for double blind studies to be taken on any or all treatments, the medical profession would not be allowed to perform heart transplants or arterial catheterization, radiation or chemotherapy as no double blind studies were conducted on those procedures.
 
 
 
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