NURS 6512 Final Exam Review (Week 7-11) 2022

Heart, Lungs, and Peripheral Vascular (Week 7: Ch. 13, 14, & 15)  Examination techniques of the Heart, Lungs, and PV systems (See Notes)  Examination findings of arterial blood flow in infants (339) (345) o At birth the cutting of the umbilical cord, through which oxygen has been provided in utero, requires the infant to begin breathing. The onset of respiration expands the lungs and carries air to the alveoli. o When pulse is weak, expect cardiac output bay be diminished or peripheral vasoconstriction may be present. A bounding pulse is associated with a large leftright shunt produced by a patent ductus arteriosus. In coarctation of the aorta, a difference is noted in pulse amplitude between the upper extremities or between the femoral and radial pulses or the femoral pules are absent capillary refill times in infants and children younger than 2 years of age are raid, less than 1 second. A prolonged capillary refill time, no longer than 2 seconds, indicates dehydration or hypovolemic shock.  Examination findings of the heart and lungs in a patient with illegal drug use (266) o If an adult- especially young- or an adolescent describes severe, acute chest pain, ask about drug use, particularly cocaine. Cocaine can cause tachycardia, hypertension, coronary arterial spasm (with infarction), and pneumothorax (lung collapse) with severe acute chest pain being the common result