Vygotsky's social account of psychology is comprehensible when viewed in relation to his political views and his early work experience. A brief discussion of this context is therefore in order before explaining the details of his psychological stand- point.
1 Central cyanosis and its causes are all associated with peripheral cyanosis. 2  Decreased pumping of blood by the heart or reduced cardiac output. 3  This is seen in heart failure or circulatory shock. 4  Diseases of circulation like thrombosis or embolism. 5  Constriction of blood vessels of the limbs, fingers and toes.
Ann Oncol (2008) 19 (3): 599-601. The numb chin syndrome (NCS) is a rare neurological condition which origins in the absence of a dental cause and is most often associated with malignancy [1â5]. Patients develop orofacial paraesthesia typically localized to the chin and lower lip.