A 27-year-old nurse comes to the emergency department because of nervousness, dizziness, palpitations, and excess perspiration f
or the past 3 hours. She has had similar episodes over the past 6 months. The symptoms improve following ingestion of orange juice or soft drinks. She says that she has had a great deal of stress. She has been drinking two alcoholic beverages daily for the past month; before this time, she seldom drank alcohol. Examination shows no abnormalities. Her serum glucose concentration is 30 mg/dL. Intravenous glucose is administered, and the patient's symptoms improve. Which of the following is the most appropriate next step in diagnosis?(A) Liver tests(B) Measurement of serum proinsulin and insulin antibodies(C) Measurement of serum cortisol and ACTH concentrations(D) Measurement of serum growth hormone and plasma somatomedin-C concentrations(E) Measurement of serum insulin and C-peptide concentrations
Answer: (E) Measurement of serum insulin and C-peptide concentrations.
Explanation:
In hypoglycemia presence of low concentration of the plasma glucose can be detected. This can be restored by restoration of the plasma glucose levels. But measurement of insulin as well as C-peptide levels can also be taken into consideration. Usually people with hypoglycemia have low C-peptide and high insulin levels.
The placenta is an organ that develops in your uterus during pregnancy. This structure provides oxygen and nutrients to your growing baby and removes waste products from your baby's blood.
There are 2 pads that are used for the <em>automated external defibrillator</em>, or AED.
The pads are placed on the <em>front of the chest</em>, and the other on the <em>back</em> of the child. You are to make sure that the wires are out of the way from the area where you administer CPR.
Marquis reagent is used as a simple spot-test to presumptively identify alkaloids as well as other compounds. It is composed of a mixture of formaldehyde and concentrated sulfuric acid, which is dripped onto the substance being tested.
