Final answer:
To estimate the degree of dehydration in a patient presenting with poor skin turgor, tachycardia, and a sunken fontanelle, one can consider the percentage of body weight lost. Moderate dehydration is associated with a loss of 5-10% of body weight, while severe dehydration is characterized by a loss of more than 10%. It is crucial to consult a healthcare professional for an accurate assessment and treatment.
Step-by-step explanation:
Based on the presented symptoms, poor skin turgor, tachycardia, and a sunken fontanelle, it is likely that the patient is experiencing moderate to severe dehydration. Skin turgor refers to the elasticity of the skin, which is reduced in dehydration. Tachycardia, an elevated heart rate, is the body's attempt to compensate for reduced blood volume. A sunken fontanelle, the soft spot on a baby's head, is a sign of dehydration in infants.
The degree of dehydration can be estimated based on the percentage of body weight lost. Moderate dehydration is typically associated with a loss of 5-10% of body weight, while severe dehydration is characterized by a loss of more than 10% of body weight. However, it is important to note that a clinical evaluation by a healthcare professional should be conducted to accurately assess the degree of dehydration and provide appropriate treatment.