Foundations Flashcards
What can cause Hgb numbers to change?
Tournequet on for a long time
Pregnancy
Dehydration
Burns
Turbulent draw
What can cause alteration in Hct numbers?
Same as Hgb, plus
Anemia
COPD
Fibrosis
What can cause alterations in WBC count?
Elevated in infection
Steroids
Heparin
Epi usage
Anticonvulsants
Chemo
What causes low platelets?
Decreased production (poor nutrition, leukemia) Increased destruction (DIC, HELLP) Meds (Metheltrexate, Valproic acid)
What causes high platelet count?
Infections
Anemia
What is INR, it’s normal range, range with anticoagulation and what is it used to measure?
International Ratio - PT done in a standardized way independent of lab differences.
Normal range: 0.8-1.2 seconds
Range with anticoagulants: <3.6 seconds
Used to measure Warfarin
What is aPTT, what is the normal range and what is it used to measure?
Activated Partial Prothrombin Time - same as PTT but with an activator to speed up the process resulting in a narrower range
Normal range: 30-40 seconds
Used to measure Heparin
What is the normal values of Troponin I and Troponin T?
Troponin I: <0.35 mcg/L (used for cardiac enzyme tests)
Troponin T: <0.1 mcg/L (less cardio-specific)
How do you calculate an anion gap?
(Cl- + HCO3-) - Na+ = normal value of 12-14
What is the formula for MAP and shock index?
MAP: SBP + (DBP x 2)/3
Shock index: HR/SBP (> 1 = higher mortality)
Calculate an epi infusion of 0.5 mg/Kg/min for an 80 Kg pt with the standard concentration of 4mg/250mL
Desired dose x weight x time / dose on hand = ?
0.5mg x 80Kg x 60min / 16mcg/mL = 150 mL/hr
What does SBARR stand for?
Situation (brief headline to direct TMP)
Background (update on condition/relevent info)
Assessments (what you’ve done)
Recommendations (whatcha want)
Read back orders/confirm
What’s the formula to convert ml/hr to mcg/kg/min?