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@BobbiJoGreen2 @8Eevert If you have labored breathing & rapid/weak pulse, I would see doctor for an ECG to be safe. Downregulating beta-adrenergic receptors in heart reduces inotropy (contractility of muscle) - this may be temporary, however this also
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New Research: β-Adrenergic Receptor Desensitization/Down-Regulation in Heart Failure: A Friend or Foe?: Cardiac sympathetic activation, mediated by β-adrenergic receptors (β-ARs), normally increases cardiac contraction and relaxation.… https://t.co/B2dRO8n