Iberis amara, Bitter Candytuft.

State of nervous excitement. Has marked action upon the heart. Possesses great efficacy in cardiac diseases. Control vascular excitement in hypertrophy with thickening of the heart's walls. Cardiac debility after influenza. Liver region full and painful. White stools.
Mind.--Sad and sighing; fearful and trembling. Irritable.
Head.--Vertigo and pains around heart. Constant hawking of thick, stringy mucus until after a meal. Hot, flushed face. Vertigo, as if occiput were turning around; eyes feel forced outwards.
Heart.--Conscious of heart's action. On turning on left side, stitching pain as of needles through ventricles felt at each systole. Palpitation, with vertigo and choking in throat. Stitching pains in cardiac region. Pulse full, irregular, intermittent. Worse, least motion and in warm room. Sensation of weight and pressure, with occasional sharp, stinging pains. Dropsy, with enlarged heart. Violent palpitation induced by slightest exertion, or by laughing, or coughing. Darting pains through heart. Cardiac dyspnoea. Dilation of heart. Wakes with palpitation about 2 am. Throat and trachea fills up with mucus. Cough causes redness of face. Tachycardia.
Extremities.--Numbness and tingling in left hand and arm. Whole body sore, lame and trembling.
Modalities.--Worse, lying down; on left side; motion, exertion; warm room.
Relationship.--Compare: Cact; Dig; Amyl; Bell.
Dose.--Tincture and first potency.

Boericke's Materia Medica, 1901, was written by William Boericke. Excerpt: The Tinctures.