Arrhythmias

2 articles

Effects of cold on cardiovascular health
16 February 2021
 | 
Dr Martin Juneau, M.D., FRCP

Cold temperatures have marked effects on the cardiovascular system and are associated with an increase in cardiac symptoms, such as angina and arrhythmias, as well as an increased incidence of myocardial infarction.

Hydroxychloroquine and COVID-19: A potentially harmful effect on the heart
19 May 2020
 | 
Dr Martin Juneau, M.D., FRCP

The results obtained for the treatment of patients with COVID-19 with hydroxychloroquine do not support its use in the current context. This treatment increases the corrected QT interval on the electrocardiogram, a recognized marker of an increased risk of fatal arrhythmias.

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