Symptoms of this illness also include rapid heart rate, high blood pressure, and eventually, kidney failure. (cat-lovers-only.com)
If your pet has eaten a toxic amount of chocolate, you will be able to observe your pet suffering symptoms of a very rapid heart rate, and nausea. (sandiegopethospital.net)
What we're talking about is that chronic, relentless, harmful stress that can flood your body with cortisol and other stress hormones, blow out your adrenals and cause rapid heart rates, digestive problems, irritability, lack of focus and lack of energy, among other things. (mindbodygreen.com)