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Pneumonia occurs when certain bacterial, viral, and fungal infections cause inflammation in the air sacs, or alveoli, of the lungs. Some of the more common causes in the United States include Streptococcus pneumoniae or pneumococcus bacteria, the influenza or flu virus, and respiratory syncytial virus (RSV).

Signs and symptoms vary between acute, subacute, and chronic hypersensitivity pneumonitis and may include flu-like illness including fever, chills, muscle or joint pain, or headaches; rales; cough; chronic bronchitis; shortness of breath; anorexia or weight loss; fatigue; fibrosis of the lungs; or clubbing of fingers or toes. Complications of chronic disease may include irreversible lung damage, permanently reduced lung function, pulmonary hypotension, or heart failure.

The signs and symptoms of pneumonia can be mild or serious. Young children, older adults, and people who have serious health conditions are at risk for developing more serious pneumonia or life-threatening complications.

LAM is diagnosed based on your medical history and the results from diagnostic lung function tests, imaging tests such as high-resolution CT scans, VEGF-D blood tests, or other procedures.

Your doctor may diagnose overweight and obesity based on your medical history, a physical exam that checks your body mass index (BMI) and waist circumference, and tests to rule out other medical conditions.

Su médico puede diagnosticar la EPOC con base en sus signos y síntomas, los antecedentes médicos y familiares y los resultados de exámenes diagnósticos como pruebas de función pulmonar incluyendo espirometría, análisis de gases arteriales, radiografía de tórax, o tomografía computarizada de tórax.

La hemoglobina anormal, llamada hemoglobina S, causa la anemia de células falciformes.

Pacemakers are used to treat certain types of arrhythmias, as well as heart failure, a condition that occurs when the heart cannot pump enough blood to the body. Not everyone with an arrhythmia needs a pacemaker.

Una alimentación saludable para el corazón implica elegir ciertos alimentos, como frutas y verduras, y limitar otros, como las grasas saturadas y las trans, así como los azúcares agregados. Su médico puede recomendar el plan de alimentación saludable para el corazón del enfoque dietético para detener la hipertensión (Dietary Approaches to Stop Hypertension, DASH) porque se ha probado que reduce la presión arterial alta y el colesterol LDL "malo" en sangre. Visite nuestra página de deliciosa alimentación saludable para el corazón para obtener recetas, consejos de cocina y más.

Your doctor will diagnose atherosclerosis based on your medical and family histories, a physical exam, and results from one or more tests: blood test, electrocardiogram (EKG), chest x ray, ankle/brachial index, echocardiography, computed tomography (CT) scan, stress testing, and angiography.