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 inhaling problems faced by aviators in high altitude. 1. Anoxia: Alveolar Po2 at different altitudes due to low barometric pressure. It has also been shown that above an altitude about 3 km or 10,000 feet the alveolar Po2 falls rapidly accompanied with desaturated of arterial blood with oxygen. At an altitude of [...]
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 [...]