…Rheumatic fever. Endocarditis. Heart surgery (can cause permanent bradycardia). Hypothyroidism. Medullar lesion. Increased intracranial pressure. General hypoxia. Autonomic nervous system Neurocardiogenic syncope. Carotid Sinus Hypersensitivity…

…2 agonist. Stimulation of alpha 2 adrenoceptors in the ventromedial and rostral ventrolateral areas of the medulla result in the blood pressure lowering effect. Effects…