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La angina ocurre cuando el músculo cardíaco no recibe suficiente sangre rica en oxígeno. Las afecciones médicas, en particular la cardiopatía isquémica, o ciertos hábitos pueden provocar angina. Para comprender las causas de la angina, es importante saber cómo funciona el corazón.

La sarcoidosis es una afección por la que ciertas células inmunitarias forman bultos, llamados granulomas, en los órganos. Se cree que la inflamación causa la formación de granulomas y, además, puede provocar cicatrices temporales o permanentes en la zona de los granulomas.

Los síntomas frecuentes de la enfermedad coronaria incluyen angina y dificultad para respirar. Las complicaciones de la enfermedad coronaria pueden ser ataque cardíaco, insuficiencia cardíaca y arritmia.

La aterosclerosis es una enfermedad en la que se deposita placa dentro de las arterias. Las arterias son vasos sanguíneos que llevan sangre rica en oxígeno al corazón y a otras partes del cuerpo.

There are no specific symptoms of overweight and obesity. The signs of overweight and obesity include a high body mass index (BMI) and an unhealthy body fat distribution that can be estimated by measuring your waist circumference.

Peripheral artery disease is more common in blacks than any other racial or ethnic group. The major risk factors for peripheral artery disease include smoking, older age, and diseases and conditions such as diabetes, high blood pressure, high blood cholesterol, coronary heart disease, stroke, and metabolic syndrome.

The main symptom of insomnia is trouble falling or staying asleep, even if you have enough time and the right conditions for good sleep. Over time, untreated insomnia may raise your risk of certain health problems or workplace or road accidents.

Common sleep apnea signs and symptoms are snoring or gasping during sleep; reduced or absent breathing, called apnea events; and sleepiness. Undiagnosed or untreated sleep apnea prevents restful sleep and can cause complications that may affect many parts of your body.

You may have an increased risk for a pleural disorder because of your age, your family history and genetics, your lifestyle habits, medicines you take, other medical conditions, and your sex.

The major types of stroke are ischemic (when an artery to the brain becomes blocked) and hemorrhagic (when an artery in the brain leaks blood or breaks open).