Mild pulmonary hypertension

Written by Li Hai Wen

Cardiology

Updated on September 21, 2024

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Pulmonary hypertension is a relatively common disease in daily life. Many patients, when they go to the hospital for examination, often see reports from cardiac ultrasound indicating mild pulmonary hypertension, moderate pulmonary hypertension, or non-severe pulmonary hypertension. So, what are the criteria for mild pulmonary hypertension? Generally, pulmonary artery pressure is measured using right heart catheterization or cardiac ultrasound. If the pressure is between 30 to 50 mmHg, this is often considered mild pulmonary hypertension. Generally, the prognosis for mild pulmonary hypertension is quite good, typically not producing noticeable symptoms or affecting health.

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Written by Tang Li

Cardiology

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How to diagnose pulmonary arterial hypertension?

To accurately diagnose pulmonary hypertension, the following aspects should be considered: symptoms, signs, laboratory, and other tests. Early-stage pulmonary hypertension usually doesn't exhibit clear symptoms, but discomfort occurs during intense activities. Common symptoms include difficulty breathing, chest pain, dizziness or fainting, and coughing up blood. Additionally, patients should undergo laboratory tests such as blood tests including liver function tests and HIV antibody testing, serological tests; an electrocardiogram to check for right ventricular enlargement or hypertrophy; chest X-ray; echocardiography and Doppler ultrasound; pulmonary function tests; blood gas analysis; radioactive isotope lung ventilation/perfusion scan; right heart catheterization; and lung biopsy.

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Written by Zeng Wei Jie

Cardiology

36sec

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Late-stage symptoms of pulmonary arterial hypertension

The prognosis of pulmonary hypertension depends on the function of the right heart. The main symptoms in the final stage of pulmonary hypertension are those of right heart failure. At this time, the patient mainly shows symptoms such as swelling of the lower limbs, oliguria, and abdominal distension. The difficulty in breathing may be slightly less severe than in the early stages. These symptoms are mainly caused by venous congestion in the systemic circulation, which prevents blood from returning from the lower limbs, leading to edema or ascites in the lower parts of the body.

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Written by Xie Zhi Hong

Cardiology

1min 56sec

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Pulmonary Arterial Hypertension Mild, Moderate, Severe Classification

Pulmonary artery pressure refers to the average pressure in the pulmonary artery when the body is at rest. Generally, the normal average pulmonary artery pressure is less than 25mmHg. Pulmonary hypertension is considered when the pulmonary artery pressure exceeds 25mmHg. The grading is generally divided into three levels based on the data: the first level is mild pulmonary hypertension with pulmonary artery pressure between 26-35mmHg; moderate with pressure between 36-45mmHg; and severe with pressure greater than 45mmHg. If classified by the functional impact of pulmonary hypertension, grade I pulmonary hypertension is characterized by patients who are not limited in daily activities, and do not experience symptoms such as shortness of breath, difficulty breathing, or chest tightness after physical activity. Grade II pulmonary hypertension patients are limited by mild activities, do not feel discomfort at rest, but experience symptoms like difficulty breathing, fatigue, chest tightness, and chest pain during everyday activities. Grade III pulmonary hypertension patients have significantly limited activity; they feel no discomfort at rest, but experience symptoms like difficulty breathing, fatigue, and chest pain after only mild activity, less than everyday activities. Grade IV pulmonary hypertension is severe, with patients experiencing symptoms such as difficulty breathing and feeling tightness in their chest even at rest without any activity.

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Written by Tang Li

Cardiology

1min 48sec

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Pulmonary arterial hypertension standards

Pulmonary hypertension is a common clinical condition with very complex causes, which can be induced by a variety of heart, lung, and pulmonary vascular diseases. When pulmonary hypertension occurs, because the resistance in the pulmonary circulation increases, the burden on the right heart increases, eventually leading to right heart failure, thus causing a series of clinical manifestations. During the disease course, pulmonary hypertension commonly shows progressive development. Currently, the diagnostic criteria for pulmonary hypertension are an average pulmonary artery pressure greater than 25 mmHg measured by right heart catheterization at sea level in a resting state, or greater than 30 mmHg during exercise. Additionally, diagnosing arteriogenic pulmonary hypertension requires, beyond the aforementioned criteria, that the pulmonary capillary wedge pressure or left ventricular end-diastolic pressure be less than 15 mmHg. The severity of pulmonary hypertension can be classified into mild, moderate, and severe stages based on resting mean pulmonary artery pressure levels. Mild is defined as 26 to 35 mmHg, moderate as 36 to 45 mmHg, and severe as greater than 45 mmHg. Echocardiography is the most important non-invasive examination method for assessing pulmonary hypertension, and it is recommended that a pulmonary artery systolic pressure greater than 40 mmHg be considered indicative of pulmonary hypertension according to echocardiographic standards.

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Written by Li Hai Wen

Cardiology

48sec

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Mild pulmonary hypertension

Pulmonary hypertension is a relatively common disease in daily life. Many patients, when they go to the hospital for examination, often see reports from cardiac ultrasound indicating mild pulmonary hypertension, moderate pulmonary hypertension, or non-severe pulmonary hypertension. So, what are the criteria for mild pulmonary hypertension? Generally, pulmonary artery pressure is measured using right heart catheterization or cardiac ultrasound. If the pressure is between 30 to 50 mmHg, this is often considered mild pulmonary hypertension. Generally, the prognosis for mild pulmonary hypertension is quite good, typically not producing noticeable symptoms or affecting health.