A). Angina Pectoris:- (Causation)
* Lachesis: Physical exertion; Menopause; Grief – death of loved ones or past offenses.
*Naja Tripudians: Physical exertion; Grief; Anaemia; Chronic Angina pectoris causing Hypertrophy of heart.

B). Heart attack:- (Symptoms)
* Lachesis: Pain heart; Agg.-Lying on the left side, after menses; Amel.- Lying on the right side. Sensation – Feeling of oppression, lying on the left side; Sensation as if the heart has stopped beating with anxiety in heart attack. Character of pain – Crampy; Suffocative feeling; Fear of death & Oedema due to heart failure. Pulse- Feeble and intermittent with sinking.
*Naja Tripudians: Pain heart; Agg.-Night & Can lie only on the right side; Pain, extending to –back of the left hand, nape of neck, shoulder & to scapula; Sensation-Sensation as if ovaries and heart are drawn together; Character of pain –Dragging, Anxiety & Fear of death during heart attack; Pulse- Slow and irregular.

C). Congestive heart failure:
* Lachesis: Right ventricular dilatation & Dropsy from Heart disease.
*Naja Tripudians: Absent.

D). Fatty degeneration of the Heart:
* Lachesis: Not prominent.
*Naja Tripudians: Present.

E). Endocarditis:
* Lachesis: Acute endocarditis after diphtheria and after scarlatina; Malignant endocarditis; Rheumatic endocarditis; anxiety in the heart in rheumatism.Pain –Spasmodic in rheumatism; Fibrin deposits on surfaces of walls or membranes.
*Naja Tripudians: Valvular heart disease in angina pectoris and valvular incompetance with murmurs.

F). Pericarditis:
* Lachesis: With Irregular heartbeat.
*Naja Tripudians: Present.

G) Palpitations:
* Lachesis: Menopausal period; Agg. –Morning, waking from sleep, sitting, rising from seat, during pains; Warm bath, warm room, warm soup With trembling; Visible palpitation.
*Naja Tripudians: From nervous causes; Agg.-Motion of arms aggravate; From talking, talking impossible, Unable to speak, walking.
H). Reynaud’s disease:-
* Lachesis: Discoloration – Blue or purple.
*Naja Tripudians: Discoloration – Blue.

I). Mind:-
* Lachesis: Dominating, Egotistical, and Haughty; Violent fits of anger; Anger with jealous and incoherent talk and anger if things are not as per his will.
*Naja Tripudians: Serious; Depression and forgetfulness; consciousness of duty to be performed but attended it unacceptable inclination not to do it and Suicidal insanity.

J). Other symptoms:-
* Lachesis: Marked sensitivity to pressure of clothes; Sensation of constriction around throat and
abdomen, agg. at night, touching throat; Patient sleeps in agg. and agg. after sleep; Dreams of death, of snakes; Rapid loquacity; Crying ameliorate pains and Pains and other complaints Ameliorated by discharge.
*Naja Tripudians: Disturbed by closeness of collar; Sleep agg; Dreams of suicide; Teary, crying easily; Is indicated in valvular troubles of heart in young persons who grow up with cardiac
valvular disease.

From the above analysis of Lachesis and Naja Tripudians, we have come to the conclusion that Lachesis is more indicated in inflammatory diseases of the heart as Naja Tripudians are more indicated in organic diseases of the heart along with valvular complications. Grief in Lachesis may produce any heart ailments as in Naja, it produces only angina pectoris. The presence of mind symptoms like Anger, Egotism, Dictatorial behavior, Incoherent talk, Loquacity, and Jealousy, if present with symptoms of heart disease, Lachesis is indicated whereas the presence of Grief, Nervousness, and Duty consciousness in patient with heart complaints is indicative of Naja Tripudians. Lachesis is confident whereas in Naja everything seems wrong.

.