HLC let the doctors and ethic committees believe that (excerpt of the guideline):
Other german information"Children of witnesses Jehovahs have no social disadvantages in their family or in a blood transfusion to expect their social environment. This will be clear from relevant publications. The Jehovah's Witness Local Hospital Relations Committee also has confirmed this.
As a rule, Jehovah's Witnesses also accept the legal obligation of the doctors, if necessary to interfere with parental responsibility, provided that the persons entitled to care have refuse consent to medically necessary treatments with blood transfusions.
Likewise, parents usually understand the crisis of conscience of doctors, if they would not treat children."
Askepios clinics Sankt Augustin, 2011
EMERGENCY TREATMENT OF JW
MEDICAL LAW - JW ABORTION, FERTILISATION
http://www.medizinrecht-stickler.at/02_Medizinrecht/02-01_Grundlagen/Jehovas_co.htm
In case of imminent danger - in case of emergency, the doctor must treat arthritis according to accepted scientific methods and perform a required blood transfusion!