Hypotonic dehydration: Symptoms, Diagnosis
Hypotonic dehydration symptoms is different according to degree on lack of sodium, common symptoms are dizziness, blurred vision, weak and thin pulse rate, severe cases, unconsciousness, muscle cramps and pain, decreased tendon reflexes, coma and so on. Lack of sodium in accordance with the degree of clinical hypotonic water will be divided into three degrees:
1, slight lack of sodium: The patient has a sense of fatigue, dizziness, hand, foot numbness, no thirst. At serum sodium 135mmol / L below to reduce the urine sodium.
2, medium lacking sodium: In addition to the above symptoms, the often nausea, vomiting, rapid pulse of small, unstable blood pressure, blurred vision, less urine. At serum sodium 130mmol / L following.
3, severe lack of sodium: Patient unconsciousness, weakening or disappearance of tendon reflex, there stupor, and even coma. Shock often happen. At serum sodium 120mmol / L following.
Diagnosis of Hypotonic dehydration is according to a history of loss of body fluids and symptoms. Can make use of a clear diagnosis of the following examinations.
1. Determination of urinary Na +, are often significantly reduced;
2. Determination of serum Na + at 135mmol / L or less, indicating that there is hyponatremia, and to determine the extent of lack of sodium;
3. lower plasma osmolality;
4. red blood cell count, hemoglobin volume, hematocrit, blood non-protein nitrogen and urea were increased, and the specific gravity under 1.010.