
    Create a function that transforms hospital database field names from the standard snake_case format to camelCase notation for seamless integration between the patient management system and the predictive analytics dashboard. The function should handle any valid snake_case field name from the hospital database schema, ensuring proper conversion of all word boundaries marked by underscores while maintaining the original meaning of the field identifiers.
    

    
import re

def snake_to_camel(word):
    """
    Create a function that transforms hospital database field names from the standard snake_case format to camelCase notation for seamless integration between the patient management system and the predictive analytics dashboard. The function should handle any valid snake_case field name from the hospital database schema, ensuring proper conversion of all word boundaries marked by underscores while maintaining the original meaning of the field identifiers.
    

    """
import re

def snake_to_camel(word):
    """
    Create a function that transforms hospital database field names from the standard snake_case format to camelCase notation for seamless integration between the patient management system and the predictive analytics dashboard. The function should handle any valid snake_case field name from the hospital database schema, ensuring proper conversion of all word boundaries marked by underscores while maintaining the original meaning of the field identifiers.
    

    """
    return ''.join((x.capitalize() or '_' for x in word.split('_')))