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How does positive pressure ventilation affect cardiac output?
It increases intrathoracic pressure which decreases venous return to the heart and causes a decrease in cardiac output.
How does positive-pressure ventilation affect cardiac output?
It increases intrathoracic pressure which decreases venous return to the heart and causes a decrease in cardiac output.
Why is the boiling point of a pure liquid usually reported along with the pressure at which the boiling point was measured?
Because the pressure could affect the temperature at which the water boils
Does air pressure increase in a mine?
Yes, air pressure can increase in a mine, especially in deeper parts of the mine where the weight of the overlying rock puts pressure on the air. This increased air pressure can affect ventilation and breathing for miners, so ventilation systems are used to regulate the pressure and ensure safe working conditions.
Will a bad PVC valve cause oil pressure drop?
Yes, a faulty PVC (Positive Crankcase Ventilation) valve can lead to a drop in oil pressure. When the PVC valve malfunctions, it can cause excessive blow-by gases to enter the crankcase, leading to increased pressure and potential oil leaks. This disruption can ultimately affect the oil circulation and pressure in the engine, resulting in lower oil pressure readings. Regular maintenance of the PVC system is essential to prevent these issues.
Are there any shortcomings with volume as a measurement?
You should also include the temperature and pressure when the measurement is taken because these affect the sample measured.
How does alternating current and direct current affect heating ventilation and airconditioning?
how dose alternating current and direct current affect heating, ventilation, and air conditioning
Why should the pressure in a hydraulic system be measured above 60 degrees?
Pressure in a hydraulic system should be measured at above 60 degrees to account for the potential thermal expansion of the fluid. At higher temperatures, the fluid can expand and affect the accuracy of pressure readings if not compensated for. This helps ensure that the pressure readings are consistent and reliable regardless of temperature variations.
When you open oil cap there is pressure?
When you open the oil cap and feel pressure, it indicates that there may be a buildup of gases or vapors within the engine's crankcase. This pressure can result from normal engine operation, where combustion gases escape past the piston rings into the crankcase. However, excessive pressure might also signal issues such as a clogged positive crankcase ventilation (PCV) system or internal engine problems. It's important to monitor this condition, as it can affect engine performance and longevity.
What are the factors that influence your vital capacity?
Factors which may affect tidal volume and therefore overall minute ventilation during invasive ventilation include: lung compliance and resistance, Correct ETT/ tracheostomy positioning, adequate cuff pressure, ventilator settings ( eg. Is the pt in a controlled or spontaneous mode of ventilation, the level of pressure support dialed up etc), the patients conscious state and the patency of the ETT/tracheostomy tube.
Does hyperventilation affect spo2 readings?
It shouldn't. It is helpful to think of ventilation and oxygenation as separate processes. Ventilation (affected by respiratory rate and tidal volume) primarily affects carbon dioxide exchange, so hyperventilation will cause you to blow off more CO2 and therefore drop your partial pressure of carbon dioxide in the blood, resulting in a respiratory alkalosis. Oxygenation, on the other hand, is affected primarily by oxygen concerntration in the inspired air and pressure in the airways. Hyperventilation should not affect either, and so it should not affect your oxygen level.
Does temperature affect ventilation rate?
if its humid you cant breathe
