Typical symptoms of anaphylactic shock?
summary
Anaphylactic shock is a kind of severe multiple organ involvement syndrome that occurs in a short time through immune mechanism after some external antigenic substances enter the sensitized body. The manifestation and degree of anaphylactic shock vary greatly according to the body's reactivity, the amount of antigen and the way of antigen entry. It usually happens suddenly and violently. If it is not handled in time, it can be life-threatening. Typical symptoms of anaphylactic shock? Let's talk about it
Typical symptoms of anaphylactic shock?
1) Symptoms of respiratory tract obstruction: due to laryngeal edema and pulmonary edema, the patient feels chest tightness, shortness of breath, cyanosis, and laryngeal obstruction with a sense of danger.
2) Symptoms of circulatory failure: due to the expansion of peripheral blood vessels, the effective circulating blood volume is insufficient, the patient's face is pale, cold sweat, weak pulse, blood pressure drop, etc.
3) Central nervous system symptoms: due to brain tissue hypoxia, the patient has dizziness, dizziness, facial and limb numbness, loss of consciousness, convulsions, incontinence, etc.
matters needing attention
① The history of allergy should be inquired carefully before medication, and the positive patients should make eye-catching and detailed records on the first page of the history. ② It is necessary to use oral preparation instead of injection as much as possible. ③ Patients with allergic constitution should be observed for 15-20 minutes after injection, and antihistamines or prednisone 20-30 mg should be used before receiving drugs (such as contrast agent) that may induce the disease.