Any process that activates or increases the frequency, rate or extent of renin secretion into blood stream.
Synonyms:
exact_synonym:
positive regulation of renin release into blood stream; up regulation of renin release into blood stream; up regulation of renin secretion into blood stream; upregulation of renin release into blood stream; upregulation of renin secretion into blood stream
narrow_synonym:
activation of renin release into blood stream; activation of renin secretion into blood stream