The user may branch to a tutorial on autonomic physiology for a review. Effects of respiration on circulatory function are illustrated by polygraph recordings during spontaneous respiration, normal positive pressure ventilation, and extreme hyperinflation. The principles also are illustrated using animations and a mechanical model. This chapter also includes calibration of the pressure transducers and comparison of a water and mercury manometer. The thorax is opened, and the heart and lungs are observed in action.
Atelectasis is demonstrated.
Atrial and ventricular fibrillation are demonstrated, along with cardiac massage and electrical defibrillation. A window insert illustrates the heart as the polygraph recorder shows the EKG and arterial pressure. The effects of euthanasia using an anesthetic overdose and a commercial euthanasia solution are illustrated. The effects on EKG and blood pressure are examined. This image illustrates one frame of the animation during early ventricular depolarization.