Research Article

Comparison of Dilution on Eastern Box Turtle (Terrapene carolina carolina) and Marine Toad (Rhinella marinus) Blood Parameters as Measured on a Portable Chemistry Analyzer

Table 2

Biochemistry results from heparinized undiluted and heparinized dilute blood samples from 12 marine toads (Rhinella marinus) using an i-STAT portable analyzer.

AnalytesUndiluted samplesDiluted samples
NanbMeanSDMedianMinMax%CVcNanbMeanSDMedianMinMax%CVc

Na+ (mmol/L)2010109.93.45110.251041151.2
K+ (mmol/L)20103.620.93.652.24.94.47
Cl (mmol/L)201080.656.79796989.50.98
iCa (mmol/L)18100.90.150.910.621.123.3123120.550.100.570.370.683.45
TCO2 (mmol/L)231223.925.8423.7514332.1
Glu (mg/dL)241239.58.6641.252754.50.979522.72.25242024.55.19
BUN (mg/dL)201012.24.9811.753202.46
Crea (mg/dL)210.2-0.20.20.2
Hct (%)16821.623.5821.251728.55.12
Hgb (g/dL)1687.361.227.225.89.75.13
AG (mmol/l)2010a10a6.5a14.5a22.96

aSome samples did not have reportable results out of the 24 samples analyzed. bNumber of animals assayed, for which measurement values are averaged and statistics calculated. cIntra-assay coefficient of variation. dNa+ = sodium; K+ = potassium; Cl = chloride; iCa = ionized calcium; TCO2 = total carbon dioxide; Glu = glucose; BUN = blood urea nitrogen; Crea = creatinine; Hct = hematocrit; Hgb = hemoglobin; AG = anion gap.