NURS190 Midterm Study Guide | LATEST VERSION

NURS190 Midterm Study Guide NURS190 midterm study guide Cardiovascular System: Cardiac Output • Stroke volume – Amount of blood that is ejected with each heartbeat • Cardiac output – Amount of blood ejected from the left ventricle over 1 minute Stroke volume x HR = CO Preload is related to the amount of blood and stretching of the ventricular myocardial fibers Afterload is the pressure that the ventricle must overcome in order to open the aortic and pulmonic valve MI signs/symptoms • Male - Complaints of chest pain that is prolonged, dull, and radiates to the shoulder or jaw. • Female - Experience nausea and vomiting, indigestion, shortness of breath, or extreme fatigue, without actual chest pain. Positioning for cardiac assessment 1. Supine 2. Sitting 3. Left lateral 4. Sitting forward