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10 Cards in this Set
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- Back
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When is a CABG performed?
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after medical management has failed
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What are the 4 types of CABG?
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Cardiac Valve Replacement
Minimally Invasive Cardiac Surgery Off-Pump CABG Transmyocardial Laser Revascularization |
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How is heart clamped durring a CABG?
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Aorta clamped, heart is stopped with cooled cardioplegic solution (hypothermic and hyperkalemic)
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Explain CVP?
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Measures right ventricular PRELOAD
Normal range: 2-8 mm Hg Indicates FLUID VOLUME status Decreased CVP is a relative or actual HYPOvolemia: need volume replacement Increased CVP can indicate HYPERvolemia: need diuretics, nitrates |
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Explain the 5 lumens of the Pulmonary Artery Catheters?
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Pulmonary Artery Catheters typically have 5 lumens
DISTAL: advanced thru the heart, sits in pulmonary artery, used to monitor pressure and draw blood (indicator of LV function) BALLOON: allows for periodic inflation of balloon surrounding distal lumen PROXIMAL: opens in right atrium, used to measure CVP (central venous pressure-indicates fluid volume status), used also for infusing meds and blood PROXIMAL (injectate): also opens in right atrium, used to measure CO THERMISTOR: measures body temperature and with cooled injectate, measures CO via thermodilution |
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Complications of PA Catheters?
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Infection and Sepsis
Air Embolus Pulmonary Infarction Dyrhythmias |
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Wha are Mediastinal Tubes, what kind of drainage system do they use, and when are they removed?
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The Mediastinum is the space in the center of the thoracic cage housing the trachea, heart, major vessels, nerves, esophagus, thymus gland and lymph nodes.
Tubes are placed here for post-surgical drainage, one anteriorly, one posteriorly Closed drainage system or autotransfusion system Removed when drainage is <100ml for an 8 hour period |
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What are complicatios of the IABP?
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Insertion site infection
Pnemonia (immobility) Vessel trauma Thromboembolism Hemorrhage Balloon leak or rupture |
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What CV assments are made Post OP?
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EKG monitored for 3-5 days, atrial dysrhythmias, esp atrial fibrillation common at this time
Vital signs q 4 hours, heart sounds, peripheral circulation. May hear pericardial friction rub Beta Blockers initiated POD #1 unless contraindicated |
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What is done to the dressing in Post-OP?
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Dressing usually removed first post-op day and left open to air
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