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6 Cards in this Set
- Front
- Back
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EKG findings suggestive of PE
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T-wave inversions in anterior and inferior leads; new R axis deviation
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PERC rule
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HR < 100
age < 50 sats >94% no hemoptysis No unilateral leg swelling No prior DVT/PE No hormone use No recent trauma or surgery |
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causes of false positive D-dimer
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(anything that causes ongoing coagulation) trauma
pregnancy Stroke recent surgery infection dissection new indwelling catheter |
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When is V/Q superior and when inferior
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may be preferable in pregnancy, but if abnormalities on CXR or asthma, it's useless.
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Percent of healthy pregnant women with a positive D-dimer
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60%. This means it's still worthwhile to check, because 40% may be negative, thereby lowering your clinical suspicion
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EKG signs of PE
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1. Inverted T waves in anterior and inferior leads
2. S1Q3T3 3. RAD 4. Incomplete RBBB 5. tachycardia |
