Below are the main rubriks (i.e strongest indications or symptoms) of Nat Mur in traditional homeopathic usage, not approved by the FDA.
Sensation and pain in chest, as from tension.
Pain like a cutting cramp through left chest to scapula.
Pulse at times full and slow, at others weak and rapid; intermits every third beat.
Stitches in chest and sides, short breathed, especially during a long inspiration.
Breathing, anxious, oppressed; short on walking fast; better in open air and when exercising arms.
Attacks of suffocation.
Heart and pulse
The heart's pulsation shake the body; also with aching as if a pressure came from abdomen and compressed heart.
Palpitation anxious, with morning headache; when moving or exerting one's self; when lying on the left side; on going to sleep and on awaking.
Fluttering of heart, with a weak faint feeling, worse lying down.
Irregular intermission of beating of heart and of pulse; worse lying on left side.≡ more ...