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CVS is usually performed between 10 and 13 weeks from your last menstrual period. CVS may be chosen over amniocentesis because it may be performed earlier in the pregnancy. Chorionic villus sampling detects chromosome abnormalities (i.e. Down syndrome) and genetic disorders (i.e. cystic fibrosis.).
When a patient presents with chest pain or symptoms suggestive of acute coronary syndrome, vital signs should be obtained, the patient should be monitored, and a focused but careful history should be obtained. A 12-lead ECG should be obtained within 10 minutes of presentation.7.