What condition requires cardiopulmonary resuscitation ?
Patient: A. stroke west nile virus cardiac arrest asthma Doctor: Cardiac arrest requires immediate CPR if necessary ACLS or ALS(Advanced Life Support).  However in case of Bronchial Asthma if a patients develop Respiratory fatigue and his Oxygen concentration in blood starts falling put him on a ventilator, but wean him off as early as possible OR if he develops Cyanosis CPR + ALS.  There are other protocols for all the above disease but you stick to cardiac arrest and asthma.  Don't forget Cardiac Asthma, severe cases may requires ACLS.  So it is the indication and symtomology of the patient that gives rise to CPR, ACLS etc. no hard and fast rule.