Symptom >> Internal Medicine >> Neurology

Grinning face

Introduction
Cause
Examine
Diagnosis

Introduction

Introduction The smirk face is the state and expression of the face. Typical faces and expressions have a certain diagnostic value. The smirk's face appears to be closed when the jaw is on, and the facial muscles are paralyzed. More common in tetanus. Tetanus toxin selectively blocks inhibitory neurons, prevents the release of neurotransmitter inhibitors, relaxes the contraction of the flexor and flexors, balances imbalance and strongly contracts. In addition, it also leads to sustained increase in muscle tone and muscle spasm, resulting in clinical closure of the jaw.

Cause

Cause

Tetanus toxin selectively blocks inhibitory neurons, prevents the release of neurotransmitter inhibitors, and balances the contraction and relaxation of the flexor and flexor muscles while strongly contracting. In addition, tetanus toxin can inhibit the transmission of neuroacceptata at the neuromuscular junction, causing acetylcholine to accumulate in the cell junction, frequently issuing impulses to the periphery, resulting in sustained muscle tone and muscle spasm, forming a clinical jaw. Closed.

Examine

an examination

Related inspection

Brain ultrasound examination of meningeal irritation

A facial expression characterized by a raised eyebrow and a pouting mouth caused by hemifacial spasm.

Diagnosis

Differential diagnosis

Facial muscle spasm: facial spasm, also known as facial muscle twitching or hemifacial spasm, is a common and frequently-occurring disease. Because the initial symptoms of facial paralysis are eyelid beating, the folks also have the title of left eye jumping for money and right eye jumping disaster, so they generally do not attract peoples attention. After a period of lesion formation, they develop into hemifacial spasm. To the corner of the mouth, severely attached to the neck. Facial paralysis can be divided into two types, one is the original facial facial paralysis, and the other is facial facial paralysis caused by facial paralysis sequelae. Both types can be distinguished from symptom manifestations. The original facial sputum can also occur in a static state, relieved after a few minutes, and is uncontrolled; facial paralysis caused by sequelae of facial paralysis is only caused by blinking, raising eyebrows and the like.

Face : scientific name facial nerve paralysis, also known as facial neuritis, Bell's palsy, Hunter syndrome, commonly known as "squeaky mouth", "spoken mouth", "hanging wind", "hanging wind", "facial neuritis", ""Mouth wind", etc., is a common disease characterized by facial dysfunction of facial muscles. The general symptom is the distortion of the mouth and eyes. It is a common and frequently-occurring disease that is not limited by age and gender. The patient's face often fails to complete the basic eyebrow lifting, eye closing, drumsticks, and mouth. In the anime, the anime characters have never had an expression.

Facial muscle twitch: also known as hemifacial spasm, the common clinical manifestations of the primary facial muscle twitching patients mostly after the onset of middle-aged, more women. When the disease starts, it is mostly intermittent twitching of the orbicularis muscle, which gradually spreads slowly to other facial muscles on one side of the face. The twitching of the horn muscles is most noticeable, and in severe cases, the platysma can be involved in the same side. The degree of convulsions varies, and can be exacerbated by fatigue, mental stress, and autonomous movement, but cannot be imitated or controlled by oneself.