Twilight sleep anesthesia Twilight sleep anesthesia also known as a twilight anesthesia, "I.V. sedation", "conscious sedation" or "zombie state," is an anesthetic technique characterized by insensibility to

Oculocardiac reflex The oculocardiac reflex also known as trigeminovagal reflex, Aschner phenomenon, Aschner reflex, or Aschner-Dagnini reflex, is a reduction in heart rate (bradycardia) associated

Pupillary light reflex The pupillary light reflex is an autonomic reflex that constricts the pupil in response to light, thereby adjusting the amount of light

Atonic seizure Atonic seizure also known as "drop attacks" or "drop seizures", where the person’s muscles suddenly relax and they become floppy ((Blume W.T., Lüders

Erythema marginatum Erythema marginatum is described as the presence of pink rings with pale centers and rounded or serpiginous margins on the trunk and inner surfaces of

Miosis Miosis is a medical term for constriction of the pupil. It is the opposite of mydriasis. It is seen in a variety of medical

Mydriasis Mydriasis is an excessive dilation of the pupil due to disease, trauma or drugs. Normally, the pupil dilates in the dark and constricts in

Lower motor neuron lesion Lower motor neuron lesion is a lesion which affects nerve fibers traveling from the anterior horn of the spinal cord to

McDonald criteria McDonald criteria are diagnostic criteria for diagnosis of multiple sclerosis (MS). In 2017 an international panel in association with the National Multiple Sclerosis

Cerebral perfusion pressure Cerebral perfusion pressure (CPP) is the pressure gradient between the mean arterial pressure (MAP) and the intracranial pressure (ICP) ((Mason P. Medical