Should CPR be done before defibrillation? In an unwitnessed arrest, absolutely. For a witnessed arrest it depends on the immediacy with which defibrillation can be applied. The review discussed the rationale and related controversies.
Therapeutic hypothermia is discussed. Despite substantial evidence in favor of applied hypothermia post cardiac arrest the uptake of this evidence is low. The article notes:
Despite this evidence, studies have found that the majority of physicians have not used induced hypothermia in the management of cardiac arrest survivors. Future studies are required to investigate the barriers and solution to instituting induced hypothermia.
Here’s my not so humble opinion on what the barriers are.