When the left ventricle begins to fail, blood backs up into the pulmonary circulation, causing pulmonary ______.
edema
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15
What is a normal PTT? Therapeutic PTT?
25-35 seconds; 45-70 seconds (2-2.5 times normal)
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15
Rivaroxaban is safe to use for those with renal disease. True or False
False- avoid if creatinine clearance of less than 15mL/min
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15
What is the antidote to warfarin?
Vit K
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15
Heparin is safe to use during pregnancy. True or False?
True- does not cross placental barrier and not secreted in breast milk
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15
Your patient is diagnosed with a PE and a urinary catheter is ordered. Why?
Need to monitor I&O very closely. PE can lead to shock, etc.
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15
How does warfarin work?
Acts in liver to prevent synthesis of vit-K dependent clotting factors. Similar to vit-K in structure, it acts as a competitive antagonist to hepatic use of K
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15
Positioning is important for the patient with ARDS. Oxygenation is sometimes improved in patients with ARDS when in which position?
Prone
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15
What does an IVC filter do?
Provides a screen in the IVC- allows blood through while blocking or fragmenting emboli from pelvis or lower extremities
4 consecutive stimuli delivered along path of a nerve and response of muscle is measured. 4 equal muscle contractions = no neuromuscular blockade. absence=block