01:146:356 Lecture Notes - Lecture 5: Vasodilation, Mechanoreceptor, Aortic Valve
Document Summary
Short term vs. long term regulation of blood pressure. Purkinje fibers: can be both fast and slow response cells. Technically there are purkinje fibers that generate action potential and are phase 4 diastolic depolarization- makes them slow response cells. conversely, sodium channels once they reach threshold are fast response. Vital signs: blood pressure, heart rate, respiration rate, temperature (through skin). Since they are designated as vital, it is vitally important to know how to measure them properly. There"s a large percentage of the time in the medical profession where the vital signs are not estimated properly. There are as many mistakes measuring blood pressure as there are correct pronunciations of what your actual blood pressure is. Anytime merrill has his blood pressure measuredhas his blood pressure measured 3-4 times by 3-4 people. Tell them to write down the numbers they received, he added the numbers to his records.