Cardioplegia generally refers to propranolol, which has the same side effects in men as it does in women, commonly bradycardia, vertigo, peripheral ischemia, granulocyte deficiency, and thrombocytopenia. Propranolol is a beta-adrenoceptor blocker that can be used to treat conditions such as high blood pressure, exertional angina, and arrhythmias. The side effects of this drug are as common in men as in women, including bradycardia, vertigo, and in some patients, serious adverse reactions such as bradycardia, peripheral ischemia, atrioventricular block, granulocyte deficiency, thrombocytopenia, purpura, and bronchospasm. It should be noted that the drug is contraindicated in people who are allergic to any of the components of the product. The drug is used with caution in patients with severe hepatic and renal impairment, and those at risk of congestive heart failure. If you need to take propranolol, you should take it under the guidance of a doctor and not without authorization to avoid adverse reactions.