I50.3

Clinical Causes: Aging, which can lead to stiffening of the heart muscle High blood pressure (hypertension), causing increased workload and stiffness Coronary artery disease reducing blood flow to the heart muscle Diabetic cardiomyopathy, due to diabetes-related changes in the heart tissue Obesity, contributing to increased cardiac workload and stiffness Valvular heart disease, affecting the heart's ability to fill properly Chronic kidney disease, which can influence heart structure and function Certain genetic factors that predispose to heart muscle rigidity

Key Symptoms: Shortness of breath, especially during exertion or when lying flat Fatigue and weakness Swelling in the legs, ankles, or feet Rapid or irregular heartbeat Difficulty exercising due to breathlessness Persistent cough or wheezing, sometimes with pink sputum Increased nighttime urination (nocturia) Sudden weight gain from fluid retention

Diagnosis Path: Diagnosis involves a combination of medical history, physical examination, and specific tests, including: - Echocardiogram: to assess the heart's structure and function, especially ventricular relaxation and ejection fraction - B-type natriuretic peptide (BNP) blood test: indicating heart failure severity - Electrocardiogram (ECG): detecting arrhythmias or ischemic changes - Chest X-ray: showing excess fluid in the lungs or enlarged heart - Additional imaging and testing may be performed to rule out other causes or assess severity

Treatment Protocols: While diastolic heart failure cannot be cured, various treatments aim to manage symptoms and slow disease progression, including: - Controlling blood pressure through medication and lifestyle changes - Managing underlying conditions such as diabetes and high cholesterol - Using diuretics to reduce fluid buildup - Prescribing medications like ACE inhibitors, angiotensin receptor blockers (ARBs), and beta-blockers, which may help improve heart function - Encouraging regular physical activity tailored to individual capacity - Adopting a low-sodium diet to prevent fluid retention - Monitoring body weight regularly to detect fluid accumulation early - In some cases, treating any rhythm problems or other contributing factors Consultation with healthcare providers is essential to create a personalized management plan suited to each patient's needs.