|
Lab Value |
Normal Range |
Significance |
|
Albumin |
3.3-4.5g |
Protein content in blood -Low: May cause edema |
|
Ammonia |
<50mcg |
Reflects liver function - High: Hepatic encephalopathy (hepatic disease/CHF may increase it) |
|
BNP |
0.5-30pg/ml |
Specific for CHF when >100 pg/ml |
|
Calcium |
4.5-5.3 mEq |
-Low: Long QT – Torsades des pointes -High: Kidney stones, GI s/s, DLOC, arrhythmias |
|
Hemoglobin |
120-180 |
-Low: anemia, supply induced angina |
|
Magnesium |
1.5-2.5 mEq |
-Low: weakness, seizures, LongQT (Torsades) |
|
Potassium |
3.5-5.0 mEq |
-Low: GI s/s, paralysis -High: Risk for lethal arrhythmias. May present with fatigue, weakness, paresthesia |
|
Troponins |
< 0.5 ng/ml |
-High: will rise following myocardial injury -False highs: sepsis, GI bleed, PE, COPD exacerbation |
|
WBC |
5000-10,000 |
-High: Infection/inflammation |