Beginning on the 18th of March 2011, all exercise sessions that were expected to cause a heart rate (HR) > 180 beats per minute (bpm) had the exercise distance reduced by approximately 30% for horses allocated to the R-group.
Flare-ups of this last type may be life-threatening, causing a rapid heart rate and disruptions in body temperature that require immediate medical attention.
Malo kingi and Carukia barnesi, two box jellyfish named for people whom they've stung, and each the size of a thumbnail, are known to induce Irukandji syndrome, which can cause a rapid heart rate, difficulty breathing, back pain, brain hemorrhaging, and the sensation, as Yanagihara experienced, that you are about to die.
"It can cause a rapid heart rate as well as high blood pressure or injury to the heart.
Lots of things cause a rapid heart rate in addition to alcohol intoxication: dehydration, electrolyte abnormalities, hypoglycemia, fever, anxiety, drugs, bleeding, heart attacks, blood clots, infections, hyperthyroidism, even too much coffee.
While the Shox2 knockout in mice results in embryonic lethality due to severe cardiac defects including improper SAN development, Shox2 knockdown in zebrafish causes a reduced heart rate (bradycardia).
Anxiety or excitement can cause a faster heart rate, which will increase the rate that venom is absorbed.
"Cannabis can cause an increased heart rate, and there's a possibility that it could cause a problem with someone with a pre-existing heart disease – for example, somebody with an elevated heart rate.
It can also cause an increased heart rate and blood pressure, fever, and diarrhea.
Finally, neither chewing nor swallowing contributed to a heart rate increase at food consumption, but orosensory stimulation, as tested with modified sham feeding, caused a partial increase of heart rate.
