Term
What is Arterial Blood Gas (ABG) used for? |
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Definition
Managing O2 and acid-base balance |
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Term
What is the normal blood pH range? |
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Definition
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Term
What are some changes that occur when the body's pH is 7.15? |
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Definition
-Acidic state -decr. cardiac output -decr. vascular response to catecholemines -decr. response to medications |
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Term
What interferences occur in the an alkolotic state? |
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Definition
-interference with tissue oxygenation and normal neurological and muscular function |
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Term
pH levels where life is incompatible. |
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Definition
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Term
What are the three ways that the body balances pH? |
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Definition
-Respiratory system -Renal system -Protein buffers |
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Term
How do the lungs respond to pH changes? |
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Definition
By increasing or decreasing the rate and depth of ventilation (1-3 min. to kick in) |
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Term
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Definition
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Term
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Definition
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Term
What are the causes of respiratory acidosis? |
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Definition
-conditions resulting in hypoventilation -CNS depression from head injury or meds -impaired muscle function -pulmonary embolism -pneumothoroax |
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Term
A man presents with dyspnea and shallow respirations, headache and appears to be drunk. Upon checking his HR he is tachycardic and has an irregular rhythm. |
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Definition
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Term
signs/sxs of respiratory acidosis. |
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Definition
-Pulmonary: dyspnea, resp. distress, shallow resp. -Nervous system: HA, restlessness, confusion, drowsiness, unresponsiveness -Cardiac: tachycardia, dysrythmia -May appear drunk |
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Term
How would you treat respiratory acidosis? |
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Definition
Incr. ventilation -bag-valve masks, BiPAP, mechanical ventilation |
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