Final answer:
The adverse effect of heparin requiring provider notification is generalized petechiae.
Explanation:
The adverse effect of heparin that requires notification of the provider is generalized petechiae. Petechiae are tiny, round purple or red spots that appear on the skin as a result of bleeding under the skin. This can indicate a potential issue with the blood's ability to clot properly, which is crucial information regarding a client receiving heparin for deep vein thrombosis.
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