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by "Grog" (Alan W. Grogono)       Tulane University Department of Anesthesiology

Acid Base Cards

Pocket Acid-Base Card

A plastic card is available based on the diagram described on this website. The card is printed on plastic for durability and is intended to be carried in the pocket for bedside use. Each card is 3.25" x 2.5", designed to fit in a credit card holder.

To obtain these cards, ordering information is provided below.

Description:

Acid-Base Diagram: The front of the card shows the Acid-Base Diagram. Pink and blue zones indicate acidosis and alkalosis respectively. The six characteristic clinical zones are drawn in and labeled. From the intersection of the pH and PCO₂ read off the Base Excess from the scale on the left. The diagram facilitates anticipating the effects of therapy.

Oxygen Transfer Diagram:

The back of the card shows an oxygen transfer diagram. The diagram displays two sets of isopleths which assist in predicting the effect of changing inspired oxygen concentration:

• Shunt lines which are more accurate when pulmonary shunting predominates.
• Alveolar/Arterial Ratio (a/APO₂ ) lines which are more accurate where ventilation/perfusion mismatch predominates (Gilbert, Auchincloss, et al 1979) .

Ordering Information:

Cost:

Worldwide, the cost for supplying one card is US $ 1.00 per card plus US $ 4.00 for handling and mailing.

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Acid-Base Tutorial Alan W. Grogono

Copyright Oct 2011. All Rights Reserved