19. The prophet suddenly assumes the language of the Jewish state personified, lamenting its affliction (Jer 10:19, 20; 9:1, 10; Isa 15:5; compare Lu 19:41).
at my very heart—Hebrew, "at the walls of my heart"; the muscles round the heart. There is a climax, the "bowels," the pericardium, the "heart" itself.
maketh … noise—moaneth [Henderson].
alarm—the battle shout.