NURSING 2LA2 Lecture Notes - Lecture 8: Nicotine, Mediastinum, Physical Therapy
Document Summary
Learning outcomes: factors affecting oxygenation for children, adults, and elderly medical-surgical patients. Infants and toddlers: risk for upper respiratory tract infection frequent exposure to other children and second hand smoke, teething may cause nasal congestion encourages bacterial growth increases respiratory tract infections. School age children and adolescents: risk for upper respiratory tract infection frequent exposure to other children and second hand smoke. Young and middle-aged adults: cardiopulmonary risk factors: unhealthy diet, lack of exercise, stress, otc and prescription drugs not used as intended, illegal drugs, and smoking. Physiological factors: any condition that affects cardiopulmonary functioning directly affects the body"s ability to meet oxygen demands. Decreased oxygen carrying capacity: anemia and inhalation of toxic substances decease the oxygen carrying capacity of blood by reducing the amount of available hemoglobin to transport oxygen. Hypovolemia: increases heart rate and peripheral vasoconstriction increase blood returned to the heart increases cardiac output.
