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TMC Prep

Lab Values

QuestionAnswer
K+ potassium
K+ Range 3.5-4.5 mEq/L
Low K+ Hypokalemia
High K+ Hyperkalemia
Hypokalemia on EKG Flattened "T" Waves
Hypokalemia can lead to... Metabolic alkalosis
What causes hypokalemia Excessive fluid loss (I.e vomitting)
Hyperkalemia on EKG Spiked "T" Waves
Na+ Sodium
Na+ Range 135-145 mEq/L
High Na+ Hypernatremia
Hypernatremia cause dehydration
Low Na+ Hyponatremia
Hyponatremia cause excess of total body water
Cl- Chloride
Cl- Range 80-100 mEq/L
Na+ and Cl- relationship is.. directly proportional (Na+ is increased, Cl- is increased)
How would you estimate CO2 content HCO3
BUN Range 6-25 mg/dL
Creatinine Range 0.5-1.3 mg/dL
Is Creatinine or BUN more accurate? Creatinine
What electrolytes indicate kidney function or any fluid shifting disease Creatinine and BUN
Platelet Count Range 150,000-400,00 Units/mm3
PT (prothrombin time) is used when pt is receiving Warfarin (coumadin)
APTT (Activated partial thromblasin time) (PTT) is used when pt is taking heparin therapy
Coagulation studies PT, APPT, INR
INR (International Normalization Ratio) Range 0.8-1.3 (when no anticoagulant medications)
INR purpse Look at bloods clotting ability
Target INR (when thin blood is desired) range 2.0-3..0
Low INR range <0.4-0.7 (suggest clotting)
High INR Range above >2.0 (suggest bleeding)
Hemoglobin (HB) Range 12-16 gm/dL
RBC Range 4-6 mill/cu mm
HCT (hematocrit) Normal Value 45%
WBC Range 4,000-11,0000 per cu mm
Created by: user-1789922
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