The normal rate or respiration in an adult is 14 to 18 per minute with a tidal volume of about 500 ml. The rate and depth of respiration (pulmonary ventilation per minute) is adjusted according to requirement of the body. For instance during muscular exercise metabolic activities are increased and the demand for oxygen by the working muscles is increased. [...]
The following points highlight the two main methods of artificial respiration. The methods are:- 1. Manual Methods 2. Instrumental Respiration. 1. Manual Methods: a. Schafer's Method (Fig. 8.43): The subject is laid in prone position and a small pillow is placed underneath the chest and epigastrium. The head is turned to one side. The operator kneels down by the side [...]
In this article we will discuss about the meaning and factors causing cyanosis. Meaning of Cyanosis: Cyanosis is a clinical condition in which the skin and mucous membranes assume a bluish colour. It may be local or general. When general, it is best seen at the lips, nose, cheeks, ears, hands and feet. It is caused by an alteration in [...]