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Congestive Heart Failure
Congestive heart failure occurs when the heart can no longer pump blood effectively, causing fluid to back up into the lungs (left-sided) or abdomen (right-sided).
Key Facts
- Left-sided CHF: fluid in lungs (pulmonary edema); causes cough, rapid breathing, dyspnea
- Right-sided CHF: fluid in abdomen (ascites) or chest (pleural-effusion)
- Common causes: cardiomyopathy, valvular disease, heartworm, congenital defects
- Dogs: usually from valvular disease or DCM; cats: usually from HCM
- Signs: increased sleeping/resting respiratory rate (>40 breaths/min is concerning), exercise intolerance, cough (dogs), open-mouth breathing (cats)
- Treatment: diuretics (furosemide), ACE inhibitors (enalapril/benazepril), pimobendan, oxygen therapy
- Home monitoring of resting respiratory rate is critical for early detection
- Species: dogs and cats
ความเชื่อมโยง (13)
โรคที่เกี่ยวข้อง
Atrial Fibrillationโรค
The reduced cardiac output and inefficient pumping from atrial fibrillation can acutely worsen clinical signs and trigger congestive heart failure.
Cardiac Shuntโรค
Persistent left-to-right shunting leads to volume overload and eventual heart failure.
Cardiomyopathyโรค
End result of progressive cardiomyopathy
Heart Diseaseโรค
CHF is the end-stage of many cardiac conditions
Heartwormโรค
Advanced heartworm disease leads to CHF
Patent Ductus Arteriosusโรค
Chronic volume overload from the shunt can progress to left-sided congestive heart failure.
Pulmonary Hypertensionโรค
Left-sided CHF is a common cause