Which of the following correlates well with the "severe" type of bronchial asthma exacerbation: March 2011
Ans. D: Usual use of accessory muscles of respiration Bronchial asthma: Hyper-responsiveness of airways with bronchoconstriction Increased leukotrienes Histology: Creola bodies, - Charcot Layden crystals, - Curschmann's spiral FEV1 is the parameter to improve maximum on bronchodilator therapy
Bradycardia with HR less than 100/ min
Pulsus paradoxus less than 10/min
Tachypnea with RR less than 30/min
Usual use of accessory muscles of respiration