Heart failure is about.

A condition with tachicarditis, dyspnoe, weakness are rising in loads, and on calm, because of weak heart muscle, as heart work is not enough for organism giving as adequate quantities blood and oxygen in loading, and reasons are many are ishemia, endured infarctus, hypertension, rheumatic myocarditis, dystrophy myocard, valves defects of the heart.
Symptoms are dyspnoe,weak, asthma heart, edemas for low extremities, body, heart beating, oftening rhythm, arrhythmia or pre heart fibrillation's, hypotonia, dizziness, darkness in eyes, sense loosing, as in a first stage as light, second is moderate, third is hard level for heart failure.

As first level as loads are nothing happening display for heart failure, in moderate loads symptoms happening.

in second level as in moderate loads are asphyxia, edemas legs having, on the calm these are removing.

on 3 th level as these symptoms happening on minimal loads, patients cannot physic work doing, attacks of heart  asthma, edemas legs, body, ascites are constant.

As in a doctor you must to do tests are roentgenography for breast cell, coronagrophay, ventriculography, Daily monitoring, ECG, loading tests with a walks on 6 minutes, veloergometria, echo cardiography, creatinine, urea, calium, protein in the blood  definition, tests on kidneys are daily diuresis, balls speed filtration, s reactive protein and immune globiulines in the blood, anti streptococcus antibodies and streptococcus antigenes in the blood, whole cholesterol, lipoproteids a high hardening in the blood.

Cure are limiting loads, remedies, herbs, diet, as individual help are depending from a base heart disease,and enduring remedies and heaviness for heart failure, are most often glycosides, diuretics, angiotensing , beta adreno blockers, vasodilators.