Diaphragmatic flutter is often a exceptional problem that’s usually mistaken for a spasm. All through an episode, another person may well feel the fluttering for a pulsing sensation from the abdominal wall.Khi s? d?ng b?m màng, b?n c?n chú ý m?t s? ?i?m quan tr?ng ?? ??m b?o hi?u su?t và tu?i th? c?a thi?t b?. ??u tiên, vi?c l?a ch?n v?t li?