Vbag medical
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Normally the body’s pH is closely controlled at between 7.35 – 7.45.When a solution becomes more acidic the concentration of hydrogen ions increases and the pH falls.It is inversely proportional to the concentration of hydrogen ions. pH is a logarithmic scale of the concentration of hydrogen ions in a solution.p stands for the ‘partial pressure of…’ Click here for related pages: ABG examples and ABG exam questions Components of the ABG pH Be sure to know the normal ranges and units for the analyser you will be using. Note that these may vary slightly between analysers. Normal values for arterial blood gas (ABG) This is particularly important if your patient is known to have chronic respiratory disease with existing chronic ABG changes. It is also useful to have access to any previous gases.
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Arterial blood gas analysis can be used to assess gas exchange and acid base status as well as to provide immediate information about electrolytes.Investigations such as arterial blood gases add to the information you have already gained to guide your management. The most important points when assessing a patient are the history, examination and basic observations. It explains each component in turn followed by clinical examples to work through.
Vbag medical how to#
This section presents how to interpret arterial blood gases. Arterial Blood Gas (ABG) interpretation for medical students, OSCEs and MRCP PACES