leaj jarvis price , 24 , ran into a doctor 's office in jemison , al , on monday .
she screamed ` call the police ' , prompting doctors to run out to help her .
seconds later , she was allegedly shot dead by husband , eric price , 25 .
price then staged standoff with police at their home and ` shot himself '
taken to hospital in unknown condition ; has been charged with murder .
court records show pair had been locked in custody battle over their son .