Physical and Laboratory Parameters to Estimate Dehydration in Adult Horses
Parameter | Estimated Dehydration | |||
|---|---|---|---|---|
6% | 8% | 10% | 12% | |
Heart rate, bpm | 40–60 | 61–80 | 81–100 | > 100 |
Capillary refill time, s | 2 | 3 | 4 | > 4 |
PCV, % | 40 | 45 | 50 | > 50 |
Total protein concentration, g/dL | 7 | 7.5 | 8 | > 8 |
Plasma creatinine concentration, mg/dL | 1.5–2 | 2–3 | 3–4 | > 4 |
Skin tent (seconds to return to normal) | 2 | 2–3 | 3–4 | > 4 |
Sunken eyes | +/– | +/– | Apparent | Obvious |
Membrane moisture | Moist | Tacky | Dry | Dry |
Mucous membrane color | Pink | Pink | Red/white | Cyanotic/white |
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