Summary Lab Values Nursing 101

LAB VALUES

, LAB VALUES

LOW HIGH
GLUCOSE • Hypoglycemia is
commonly caused by
• Hyperglycemia can
be caused by
receiving too much diabetes, cushings
70 - 110 insulin, adrenal issues and pancreatitis
or malnutrition • > -350 = critical
• < 40 = critical




LOW HIGH
• Can be caused by • The kidneys
BICARBONATE damage to the reabsorb bicarbonate
kidneys and their elevating the pH in the
22-26 subsequent inability blood to compensate
to reabsorb HCO3 for acidosis
• HCO3 is a buffer and
stabilizer of pH




LOW HIGH
• Low pH is acidosis • Increased pH is
pH • Can be caused by alkalosis
an excess of CO2 in • It's caused by
7.35 - 7.45 the blood or by a loss
of HCO3 in the kidneys
excess HCO3 or a
decrease in CO2
• CO2 can decrease
d/t hyperventilation




LOW HIGH
BUN • BUN is a byproduct of
metabolism that indicates
• Increased BUN can
be caused by CHF a
renal function 61 bleed, hypovolemia,
8-25 + hydration kidney failure, pyelonephritis,
• Lower BUN can be caused heart attack, excess protein
by a low protein diet, liver in the GI tract or shock
failure and fluid overload
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