
    Create a function that converts database field names from the ER patient tracking system's backend format (snake_case) to frontend display format (camelCase) to ensure seamless data integration in the wait time prediction dashboard. The function must maintain the field name's meaning while transforming all underscore-separated words into a unified camelCase format for consistent data presentation across the emergency department's monitoring system.
    

    
import re

def snake_to_camel(word):
    """
    Create a function that converts database field names from the ER patient tracking system's backend format (snake_case) to frontend display format (camelCase) to ensure seamless data integration in the wait time prediction dashboard. The function must maintain the field name's meaning while transforming all underscore-separated words into a unified camelCase format for consistent data presentation across the emergency department's monitoring system.
    

    """
import re

def snake_to_camel(word):
    """
    Create a function that converts database field names from the ER patient tracking system's backend format (snake_case) to frontend display format (camelCase) to ensure seamless data integration in the wait time prediction dashboard. The function must maintain the field name's meaning while transforming all underscore-separated words into a unified camelCase format for consistent data presentation across the emergency department's monitoring system.
    

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