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).
The highest temperature recorded in Orlando was 101Â°F (38Â°C) during July 1998; the lowest recorded temperature was 19Â°F (-7Â°C) during January 1985. Relative Humidity The area surrounding around Orlando contains a large number of lakes, which contributes to a high year-round relative humidity â typical values for summer are around 90 percent during the morning and 50 to 60 percent during the afternoon.