Below are the main rubriks (i.e strongest indications or symptoms) of Nat Mur in traditional homeopathic usage, not approved by the FDA.
Sensation of coldness of heart
Heart and chest feel constricted
Fluttering, palpitating; intermittent pulse
Heart’s pulsations shake body
Intermits on lying down.
Cough, with bursting pain in head
Shortness of breath, especially on going upstairs ( Calc Carb Calc.) Whooping-cough with Flows of tears with cough.≡ more ...