1. Asthma: Lung and Airway Disorders: Merck Manual Home Edition -- Merck Co., Inc. Is A Global Res...
) The most severe form of asthma is called status asthmaticus. Status asthmaticus requires intubation and ventilator support as well as maximum doses of several medications. In a very severe asthma attack, a person is able to say only a few words...
http://www.merck.com/mmhe/sec04/ch044/ch044a.html

2. Asthma Causes, Types, Symptoms, Treatment, Medication, Facts, and the Link to Allergies on Medici...
If you ignore the early warning signs, you put yourself at risk of developing "status asthmaticus. Physicians call these severe attacks "status asthmaticus," and they require immediate emergency care.
http://www.medicinenet.com/script/main/art.asp?li=USA&articlekey=284&page=7

3. eMedicine - Status Asthmaticus : Article by Adam Schwarz, MD -- Emedicine Clinical Knowledge Base
asthma, asthma unresponsive to treatment with bronchodilators, wheezing, dyspnea, cough, reactive airways disease, RAD, severe asthma, status asthmaticus, airway hyperresponsiveness, emesis, ventilation/perfusion mismatch, V/Q mismatch,...
http://www.emedicine.com/ped/topic2150.htm