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Then person is asked to hold the breath and remain still for at least 10 seconds and final picture is taken. Then by looking upon the picture, the poorly ventilated or overvented area is noted. Perfusion scan: It is done by injecting a radioactive tracer into a peripheral vein usually in arms and then following the path of tracer by camera as ...
Pathology is the medical discipline that describes conditions typically observed during a disease state, whereas physiology is the biological discipline that describes processes or mechanisms operating within an organism. Pathology describes the abnormal or undesired condition (symptoms of a disease), whereas pathophysiology seeks to explain ...
Clinical physiology is an academic discipline within the medical sciences and a clinical medical specialty for physicians in the health care systems of Sweden, [1] Denmark, Portugal [2] and Finland. Clinical physiology is characterized as a branch of physiology that uses a functional approach to understand the pathophysiology of a disease. [3]
Having less sleep than this is common among humans, even though sleep deprivation can have negative health effects. A sustained restriction of adult sleep to four hours per day has been shown to correlate with changes in physiology and mental state, including reduced memory, fatigue, aggression, and bodily discomfort. [296]
Detection of any deviation from what is known to be normal, such as can be described in terms of, for example, anatomy (the structure of the human body), physiology (how the body works), pathology (what can go wrong with the anatomy and physiology), psychology (thought and behavior) and human homeostasis (regarding mechanisms to keep body ...
Neurophysiology is a branch of physiology and neuroscience concerned with the functions of the nervous system and their mechanisms. The term neurophysiology originates from the Greek word νεῦρον ("nerve") and physiology (which is, in turn, derived from the Greek φύσις, meaning "nature", and -λογία, meaning "knowledge"). [1]
Current Problems in Surgery is a monthly peer-reviewed academic journal of surgery published by Elsevier. According to the Journal Citation Reports , the journal has a 2021 impact factor of 2.815. [ 1 ]
Near-death studies is a field of psychology and psychiatry [1] that studies the physiology, phenomenology and after-effects of the near-death experience (NDE). The field was originally associated with a distinct group of North American researchers that followed up on the initial work of Raymond Moody, and who later established the International Association for Near-Death Studies (IANDS) and ...