Heart in the brain injured

INTRODUCTION

Normal functioning brain has an important role in controlling the heart and lung functions. The process of control of these organs by the brain is through neural as well as hormonal mechanisms. Neural control occurs by the autonomic nervous systems, and the hormonal control occurs using various mediators such as norepinephrine. Various centres are located in the brain that affect the functions of the heart. Hence, it is understood that any injury of moderate to severe nature will affect the cardiopulmonary functions. Studies have shown that damage to the heart and lung are independent predictors of mortality in brain injured patients. This review will explain the various pathological processes involved in the damage to the heart due to acute brain injury.

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