Bradycardia can be caused by: 1  Changes in the heart that are the result of aging. 2  Diseases that damage the heart's electrical system. These include coronary artery disease, heart attack, and infections such as endocarditis and myocarditis.  Conditions that can slow electrical impulses through the heart.
Averages for Orlando in August. August in Orlando is characterised by high heat and humidity, with rain very likely. Similar to July, the average daytime temperatures are around 33Â°C (about 92Â°F) so itâs not the best time to go to Orlando if youâre not used to hot weather. You canât even rely on a drop in temperature at night with average minimum temperatures of around 23Â°C (about 73Â°F).
Fall in Orlando: September, October, and November During these months the rest of the country is experiencing the cool, crisp days of autumn, but in the Orlando area, summer continues on with high temperatures and the highest humidity of the year.