arrow heart heartache love red ACLS ambulance clinic controll diagnostics ecg electrodes green hospital monitoring paramedics yellow backlight black hearts break-up broken heart crisis dark emotion end feeling gothic hearts grief heartbreak lover's grief rain sad sadness sorrow valentine valentine's day ache aching alert backdrop background Bleed bleeding blood broken caution communication concept conceptual crimson danger dangerous drama dramatic foam free heartbroken image loving message object pain painful passion photo photograph picture relationship relationships resource somadjinn stock suffer suffering texture textured tragedy tragic warning white