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Pulmonary Hypertension Primary 1 C4552070

Published: July 22, 2026Updated: August 25, 2026

High blood pressure in lung arteries with no known cause. It affects the heart and lungs, causing breathing difficulty. Medications help widen blood vessels and reduce strain on the heart.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 25, 2026Editorial policy

Key facts at a glance

ICD-10
Q24.9
ICD-11
LA00.0
Body system
cardiovascular
Severity
severe
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Chest discomfort

Chest discomfort or palpitations

(cardiovascular)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Dyspnea on exertion

(cardiovascular)

Fatigue

(cardiovascular)

Peripheral edema

(cardiovascular)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

Disease management and monitoring

Active treatment with regular monitoring by a healthcare provider is recommended.

medication
2

Pulmonary vasodilator therapy

Vasodilator medications targeting prostacyclin, endothelin, or nitric oxide pathways to reduce pulmonary vascular resistance and improve cardiac output.

medication
3

Right heart catheterization

Diagnostic catheterization to confirm diagnosis, assess severity, and guide vasodilator responsiveness testing for treatment selection.

procedure

Additional treatment options

Anticoagulation therapy

Long-term anticoagulation to reduce thrombotic risk and improve outcomes in selected pulmonary hypertension patients.

medication

Supervised exercise rehabilitation

Cardiac rehabilitation program with carefully monitored exercise to improve functional capacity without overstressing the right ventricle.

lifestyle

Psychological support intervention

Counseling and support services to address anxiety, depression, and coping strategies associated with chronic severe cardiopulmonary illness.

psychological

When to seek medical help

Recognize when you need immediate medical attention.

See a doctor within 24 hours

Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.

Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Pulmonary Hypertension Primary 1 C4552070?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Galie N, Hoeper MM, Humbert M, et al. 2022 ESC/ERS Guidelines for the diagnosis and treatment of pulmonary hypertension. Eur Heart J. 2022;43(38):3618-3731.

guideline2022
2

Rubin LJ, Badesch DB, Barst RJ, et al. Bosentan therapy for pulmonary arterial hypertension. N Engl J Med. 2002;346(12):896-903.

clinical_trial2002
3

Humbert M, Morrell NW, Archer SL, et al. Cellular and molecular pathobiology of pulmonary arterial hypertension. J Am Coll Cardiol. 2004;43(12 Suppl S):13S-24S.

review2004
4

Galie N, Manes A, Negro L, et al. A meta-analysis of randomized controlled trials in pulmonary arterial hypertension. Eur Heart J. 2009;30(4):394-403.

meta_analysis2009

Medication Comparisons

Compare medications used to treat Pulmonary Hypertension Primary 1 C4552070. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 25, 2026. · Read our editorial policy