Please choose the correct ending to complete the given sentence: Health: [header] How to treat asthma in pediatric patients [title] Assess the severity of your child's symptoms during an attack. [step] Have your child inhale as deeply as they can and close their lips tightly around the meter's mouthpiece. They should then blow out as hard and quickly as possible.

Ending1: This will allow the victim of the attack to determine if his or her airway is operable. [substeps] If your child has symptoms that gradually increase and then decrease as they respond to antibiotic medication, the patient is in a hospital. Ending2: Symptoms of asthma in babies include : [substeps] Increased shortness of breath increase in temperature, with very elevated blood pressure increased heart rate, mucus in the mouth and blemishes that occur on the stomach. These may occur within 4-9 days of treatment. Ending3: The patient should hold the meter close to their face for about two minutes after blowing and then quickly close their mouth and release the meter. A child's inhalation should not be as labored as a child's. Ending4: [substeps] A peak flow meter is a device that measures air flow from the lungs. Your child should use their peak flow meter when they're not experiencing symptoms to establish their normal range.

Answer format: ending1/ending2/ending3/ending4