1 doctor agrees

In brief: Natural

Small animals, and small creatures and babies have fast heart beats and small pulse volumes combined to generate adequate cardiac output.

In brief: Natural

Small animals, and small creatures and babies have fast heart beats and small pulse volumes combined to generate adequate cardiac output.
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Dr. Irving Harper
Internal Medicine

In brief: Biology

All warm blooded creatures heartbeats are faster the smaller they are.
And Alupent (metaproterenol) for wales heartbeat is very slow compared to hummingbird for example. It is mainly secondary to the faster metabolism of the smaller animal. The fetus is very small and at a fast rate of metabolism requiring a fast heart rate.

In brief: Biology

All warm blooded creatures heartbeats are faster the smaller they are.
And Alupent (metaproterenol) for wales heartbeat is very slow compared to hummingbird for example. It is mainly secondary to the faster metabolism of the smaller animal. The fetus is very small and at a fast rate of metabolism requiring a fast heart rate.
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