Merck Manual

Please confirm that you are a health care professional

Physical and Laboratory Parameters for Estimation of Dehydration in Horses

Physical and Laboratory Parameters for Estimation of Dehydration in Horses

Estimated Dehydration

Heart Rate (bpm)

Capillary Refill Time (sec)

PCV (%)

Total Protein (g/dL)

Plasma Creatinine (mg/dL)

Skin Elasticity (sec)

Sunken Eyes

Membrane Moisture

Mucous Membrane Color

6%

40–60

2

40

7

1.5–2

2

+/-

Moist

Pink

8%

61–80

3

45

7.5

2–3

2–3

+/-

Tacky

Pink

10%

81–100

4

50

8

3–4

3–4

+

Dry

Red

12%

>100

>4

>50

>8

>4

>4

++

Dry

Cyanotic