Mindblown: a blog about philosophy.
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Coiled posture
Posture in which the body is on one side with legs drawn up to meet the trunk. It is used sometimes during lumbar punctures.
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Postural orthostatic tachycardia syndrome
Inability to tolerate a standing position as a result of a sudden increase in heart rate when rising from a seated or recumbent position. It is thought to be one of the dysautonomic syndromes.
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Postural control
An involuntary neurological loop consisting of motor, sensory, and integrative processes used to maintain the body’s position relative to gravity and of its segments relative to each other for stability. Postural control relies on information from the vestibular and somatosensory systems and visual cues. Balance is a hallmark of postural control.
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Post traumatic syndrome
A sustained maladaptive response to a traumatic, overwhelming event.
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Post-traumatic stress disorder
Intense psychological distress, marked by horrifying memories, recurring fears, and feelings of helplessness that develop after a psychologically traumatic event, such as the experience of combat, criminal assault, life-threatening accidents, natural disasters, or rape. The symptoms of PTSD may include re-experiencing the traumatic event (a phenomenon called “flashback”); avoiding stimuli associated with the trauma; memory…
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Post transfusion syndrome
The development of fever, splenomegaly, atypical lymphocytosis, abnormal liver function tests, and, occasionally, a skin rash that develops following blood transfusion or perfusion of an organ during surgery. The syndrome appears 3 to 5 weeks after transfusion or perfusion with fresh (less than 24 hr old) blood, usually in large quantities. The causative agent is…
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Post-transfusion purpura
An abnormal, immune-mediated fall in the number of circulating platelets, caused by a recipient’s reaction to foreign antigens on platelets he or she has received during a transfusion. Although the immune reaction normally starts against the donated platelets, in PTP host (recipient) platelets are also attacked, leading to a severe decrease in platelet numbers about…
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Post-term pregnancy
Pregnancy continuing beyond the beginning of the 42nd week (294 days) of gestation, as counted from the first day of the last normal menstrual period. This occurs in an estimated 3% to 12% of pregnancies. Complications include oligohydramnios, meconium passage, macrosomatia, and dysmaturity, all of which may lead to poor pregnancy outcome. The fetus should…
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Post-tachycardia syndrome
Secondary ST and T wave changes associated with decreased filling of the coronary arteries and subsequent ischemia during tachycardia.
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Poststenotic
Distal to a stenosed or constricted area, especially of an artery.
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