Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
15 Cards in this Set
- Front
- Back
|
How high of a concentration of deoxyhemoglobin do you need to see cyanosis?
|
3-5 gm/100 mL
|
|
|
What are the concerns for the use of the pulse ox in measureing oxygen content of blood?
|
You need to have an accurate pulse assessment for accurate measurments
IN A-FIB, YOU'RE NOT GOING TO GET ANYTHING FROM PULSEOX! |
|
|
What are reasons to take an aterial blood measurement?
|
-Figure out how bad the oxygenation problems are
-Find out PCO2 settings (manage vent!) -Determine Acid-base status |
|
|
What is the effect of age on PaO2?
|
As you get older, PaO2 decreases.
|
|
|
What are the normal values for blood pH?
|
7.35 < x < 7.45
|
|
|
Are high or low PaCO2 values associated with acidosis?
|
High PaCO2
|
|
|
How does the kidney regulate acid-base status? How long does this take?
|
Excretion/retention of bicarbonate
Hours-day |
|
|
What is the formula for determining an acute respiratory acidosis?
|
Fall of pH by around:
.08 x [(PaCO2 - 40)/10] |
|
|
What is the formula for determining a chronic respiratory acidosis?
|
Fall of pH by
.03 x [(PCO2 - 40)//10] Less fall; it's a chronic process that has been slightly corrected for by the body. |
|
|
What is a normal base excess? What is below normal; above normal?
|
-5 < BE < 3
>3: alkalosis < -5: acidosis |
|
|
What does a small anion gap mean? Large?
|
Small: alkalosis
Large: acidosis |
|
|
What are the normal levels for anion gap?
|
7 < x < 13
|
|
|
What is the formula for anion gap?
|
Na - (Cl + HCO3)
|
|
|
What are causes of normal anion gap metabolic acidosis?
|
GI loss of HCO3
Renal loss of HCO3 |
|
|
What are causes of high anion gap acidosis?
|
Lactic acidosis
Ketoacidosis Ingestion of thangs |
