It can be from anxiety, over exertion, Heart disease, and high blood pressure, among other causes. If you are having any chest pain, pain down the left arm, or a tightness or squeezing sensation in your chest, or nausea, call you doctor immediately. This could be signs of a heart attack. If you are not having any other symptoms, but the shortness of breath and rapid heart beat persists, you should call your doctor just to be on the safe side. It's always better to err on the side of caution.
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anxiety panic attack high blood pressure or heart attack i wouldnt be asking this online you should be in emergency room
heart beat of a mouse is 650 times per minute
Heart failure is when the heart cannot pump the blood out as fast as it is comming back in. As a result pressure builds in the veins and fluid leaks into the surrounding tissues. If the left heart fails the fluid goes into the lungs and causes shortness of breath and eventually right heart failure. If the right heart is failing, either due to left heart failure or on its own, you get swelling in the legs and abdomen.
Usually it doesn't but it can in rare occasions. Usually it has the opposite effect slowing down your heartbeat and lowering your blood pressure. It is a synthetic opioid and has some of the same side effects as others in this class of drugs.
call his doctor.
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