Kinesiology 4437A/B Lecture Notes - Lecture 3: Necrosis, Health Professional, Hand Washing
20 Dec 2017
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Innate - skin, mucous membranes, phagocytes, natural killer cells (nk), cytokines, complement factors. Acquired - t and b lymphocytes, plasma-cell secreted antibodies. Nk cells increase during then fall slowly after. Regular, moderate exercise decreases risk of respiratory infection vs sedentary. If symptoms below neck (myalgia, cough, fever >38. 5, chills, vomiting, diarrhea, etc. : avoid intense physical activity. If symptoms above neck (stuffy/runny nose, sore throat, sneezing, etc. : ok to exercise but start at half intensity and if well after 10 min. , may increase. Common causes: hiv, influenza, coxsackie a & b, echovirus. May resolve, become chronic, or progress to heart failure. Time between onset of inflammation and symptoms = days to months. Dyspnea, fatigue, palpitations, tachycardia, s3 gallop, heart block, chest pain, fever, fluid retention. Lab: leukocytosis, elevated esr, acute and convalescent antibody titres. Chest pain, pleural rub, sob, pain with breathing. Ecg st elevation, pr depression, lack of t wave inversion.
