• An acute pressure rise in the vascularly isolated carotid sinus causes a decrease in total peripheral resistance and a bradycardia which lead to a fall in arterial pressure. A shift in posture that raises blood pressure at the carotid bifurcation elicits a similar reflex response. Stimulation of most of the other baroreceptor areas of the systemic arterial and cardiopulmonary systems produces...

We describe a patient with disseminated metastases from malignant melanoma manifested as symptomatic tachycardia and bradycardia that mimicked sick sinus syndrome. Autopsy showed extensive invasion of the right atrium by nodular disease.

There is no specific antidote for intoxication with synthetic cannabinoids. In this case series, we considered the efficiency of intravenous lipid emulsion therapy in four cases, who presented to emergency department with synthetic cannabinoid (bonzai) intoxication. The first patient had a GCS of 3 and a left bundle branch block on electrocardiography. The electrocardiography revealed sinus rhy...

Sir, S Eastern part of Rajasthan state “Hadoti Zone” faced an outbreak of dengue fever during the months of September to December 2012. A total number of 48 patients were admitted with ELISA IgM/IgG positive for dengue fever.We report a series of 8 cases of dengue fever with sinus bradycardia, age ranging between 15 years and 34 years. Apart from typical clinical features and laboratory paramet...