Cardiac injection is a collective term for a class of rescue medications that have the effect of enhancing myocardial contractility and elevating blood pressure, commonly including epinephrine, norepinephrine and other drugs.
1. Epinephrine
(1) Indications: anaphylactic shock, cardiac arrest and other serious diseases.
(2) Contraindications and precautions: ① Organic lesions of the nervous system, cardiovascular disease, glaucoma and other conditions require caution. ② Subcutaneous injection, accidental entry into blood vessels may lead to cerebral hemorrhage. ③The drug can pass through the placenta, and should be used with caution after adequate evaluation during pregnancy. When used to treat anaphylactic shock, blood volume should be replenished promptly after administration.
2. Norepinephrine
(1) Indications: ① Hypotension caused by spinal block, acute myocardial infarction, hypovolemic shock, and post-pheochromocytoma resection. ② Blood pressure maintenance after resuscitation of cardiac arrest.
(2) Contraindications and precautions: ① prohibited and adrenaline and other catecholamines. ② Prohibit and chloroform and other halogen-containing anesthetics. Cocaine poisoning, tachycardia and other conditions are prohibited. ④Use with caution in patients with hypoxia, hypertension, hyperthyroidism, and occlusive vasculitis. ⑤ The use of this drug in women during pregnancy should be used with caution after fully weighing the advantages and disadvantages.
Adrenaline, norepinephrine and other drugs must be used by clinicians under the supervision of clinicians, and unauthorized use is absolutely prohibited.