In this article we will discuss about:- 1. Definition of Alveolar Air 2. Method of Collecting Alveolar Air 3. Composition 4. Partial Pressure of Gases 5. Tension of Gases 6. Method of Measurement 7. Effects 8. Factors 9. Alveolar PO2 and Venous Admixture. Definition of Alveolar Air: Alveolar air represents the air located in the respiratory part of the lungs [...]
In this article we will discuss about the contents of oxygen in blood of human beings. The O2 content of the arterial and venous blood and relevant data are given in the following table: It will be seen that about 98% of oxygen is present in the blood in chemical combination with haemoglobin and only 0.3 ml in arterial blood [...]
In this article we will discuss about the cheyne-stroke breathing in human beings and along with its mechanism. Cheyne-Stokes Breathing: In which the period of apnoea is followed by a phase of gradually rising ventilation followed by gradual fall and the cycle is repeated, each phase lasting about 30 seconds. Cheyne-Stokes breathing- sometimes occurs in normal children or adults during [...]