Resuscitation
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Etiologies of in-hospital cardiac arrest (IHCA) in general wards may differ from etiologies of out-of-hospital cardiac arrest (OHCA) given the different clinical characteristics of these patient populations. An appreciation for the causes of IHCA may allow the clinician to appropriately target root causes of arrest. ⋯ The most prevalent causes of IHCA among the general wards population are hypoxia, ACS, hypovolemia, arrythmias, infection, heart failure, three of which (arrhythmia, infection, heart failure) are not part of the traditional "H's and T's" of cardiac arrest. Other causes noted in the "H's and T's" of advanced cardiac life support do not appear to be important causes of IHCA.
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Review Meta Analysis
Global variation in the incidence and outcome of emergency medical services witnessed out-of-hospital cardiac arrest: A systematic review and meta-analysis.
After Emergency Medical Services witnessed out-of-hospital cardiac arrest, pooled survival is approximately twice as high in Europe (26%) & Australasia (31%), than in North America (14%).
pearl -
Review Meta Analysis
Global variation in the incidence and outcome of emergency medical services witnessed out-of-hospital cardiac arrest: A systematic review and meta-analysis.
After Emergency Medical Services witnessed out-of-hospital cardiac arrest, pooled survival is approximately twice as high in Europe (26%) & Australasia (31%), than in North America (14%).
pearl -
Out-of-hospital cardiac arrest (OHCA) remains a major public health problem. Even in high-income countries, survival rates have plateaued in the range of ten percent, stimulating an ongoing interest in developing novel approaches to resuscitation. ⋯ In this narrative review we summarize and interpret recent developments in knowledge of EMS-witnessed OHCA regarding prevalence, demographics, location, circumstances, survival outcomes and clinical profile. We examine the possibility of informing novel resuscitation approaches and enhancing mechanistic knowledge by studying EMS-witnessed OHCA, with the goal of improving overall survival from OHCA.