Crataegus Oxyacantha Q (Mother Tincture)

Produces giddiness, lowered pulse, and air hunger and reduction in blood-pressure. Acts on muscle of heart, and is a heart tonic. No influence on the endocardium.

Myocarditis. Failing compensation. Irregularity of heart. Insomnia of aortic sufferers; anæmia; œdema; cutaneous chilliness. High arterial tension. Is a sedative in cross, irritable patients with cardiac symptoms.
Chronic heart disease, with extreme weakness. Very feeble and irregular heart action. General anasarca. Very nervous, with pain in back of head and neck. Collapse of typhoid. Hæmorrhage from bowels. Cold extremities, pallor; irregular pulse and breathing. Painful sensation of pressure in left side of chest below the clavicle. Dyspepsia and nervous prostration, with heart failure. In the beginning of heart mischief after rheumatism. Arteriosclerosis. Said to have a solvent power upon crustaceous and calcareous deposits in arteries.

Source: MM -William Boericke.