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A clinical condition, heart failure is a secondary occurrence resulting from significant, overpowering heart disease. Heart failure is a condition where there is clogging or atypical collection of fluid, a decrease in blood flow to the body, and your horse has very low blood pressure. In most cases, heart failure is due to chronic illness that has led to significant issues causing the heart to be unable to pump enough blood. Heart failure is considered rare in horses.
A result of significant heart disease, heart failure will occur should the heart not be able to keep up standard venous and capillary pressures, cardiac output, and the system’s blood pressure.
Should your horse be experiencing heart failure, the following symptoms may be seen:
Heart failure is divided into four classifications:
Systolic myocardial failure
The heart muscle’s ability to contract is reduced. If the reduction is severe, regular blood flow is unable to be kept up. This can happen as a result of trauma, infection, drugs, poisons, electric shock, heat stroke or tumors.
Obstruction to cardiac inflow
This leads to blood flow decreasing possibly caused by the heart being compressed, perhaps due to:
This can happen due to long term increases in stress impacting the heart wall when contracting, causing blood flow from the heart to be blocked or an increase in blood pressure.
This can occur due to any disease that multiplies the amount of blood in the ventricles(s) which leads to a greater amount of blood flow and can cause congestive heart failure. This includes valve disease and left-to-right shunts.
Heart failure is, in most cases, a result of a chronic disease that leads to a significant reduction in the heart’s contractions, significant regurgitation or shunting or significant diastolic dysfunction.
While not a distinct disease, heart failure is considered to be a syndrome where significant dysfunction resulting from one of the many types of heart disease leads to the cardiovascular system being unable to circulate blood to the extent necessary. Certain workings impacted by heart disease can lead to cardiovascular system failure; however, heart failure is not a specific diagnosis. Often, the heart of your horse would be found to be enlarged upon undergoing an echocardiogram; the clinical signs that are seen the most in heart failure are a direct result of swelling or effusion.
Your horse may have heart disease without it leading to heart failure, though heart failure can only happen in your horse if he has heart disease.
When considering treatment for heart failure, your veterinarian will look to improve the operation of the heart muscle, regulate arrhythmias and blood pressure, enhance blood flow, and decrease the volume of blood that fills the heart prior to contraction. Should these not be regulated, further damage to the heart and blood vessels may occur. Treatment will also seek to decrease the volume of fluid that is present in the lungs, abdomen, and chest cavity of your horse.
A variety of medications are available when looking to treat heart failure. Your veterinarian will consider the cause and extent of your horse’s heart failure when looking at which medication, dose, and how often it will be administered.
Should your horse be experiencing heart failure, you will want to work closely with your veterinarian; it is important to administer all medications as directed and attend follow up appointments as discussed. Medications may not be effective if not given at appropriate timeframes and not following your veterinarian’s instructions can lead to further problems for your horse.
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Heart Failure Average Cost
From 416 quotes ranging from $10,000 - $25,000
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