An Algorithm to Assess for Causes of Pulmonary Hypertension - Flowchart
An Algorithm to Assess for Causes of Pulmonary Hypertension - Flowchart
«Flowchart»

Suspected Pulmonary Hypertension
(by history, chest x-ray, echocardiogram)

Suspected Pulmonary Hypertension
(by history, chest x-ray, echocardiogram)

Suspected Pulmonary Hypertension
(by history, chest x-ray, echocardiogram)

Suspected Pulmonary Hypertension


Collagen vascular diseases
HIV infection
Portal hypertension


Collagen vascular diseases
HIV infection
Portal hypertension


Collagen vascular diseases
HIV infection
Portal hypertension


Collagen vascular diseases
HIV infection
Portal hypertension

End

End

End

ASD, atrial septal defect; COPD, chronic obstructive pulmonary disease; HIV, human immunodeficiency virus; IPAH, idiopathic pulmonary arterial hypertension; PDA, patent ductus arteriosus; PFTs, pulmonary function tests; RF, rheumatoid factor; Scl-70, anti-topoisomerase 1 antibodies; V/Q, ventilation/perfusion; VSD, ventricular septal defect.

ASD, atrial septal defect; COPD, chronic obstructive pulmonary disease; HIV, human immunodeficiency virus; IPAH, idiopathic pulmonary arterial hypertension; PDA, patent ductus arteriosus; PFTs, pulmonary function tests; RF, rheumatoid factor; Scl-70, anti-topoisomerase 1 antibodies; V/Q, ventilation/perfusion; VSD, ventricular septal defect.

ASD, atrial septal defect; COPD, chronic obstructive pulmonary disease; HIV, human immunodeficiency virus; IPAH, idiopathic pulmonary arterial hypertension; PDA, patent ductus arteriosus; PFTs, pulmonary function tests; RF, rheumatoid factor; Scl-70, anti-topoisomerase 1 antibodies; V/Q, ventilation/perfusion; VSD, ventricular septal defect.


COPD
Interstitial lung disease
Sleep-disturbed breathing


COPD
Interstitial lung disease
Sleep-disturbed breathing


COPD
Interstitial lung disease
Sleep-disturbed breathing


COPD
Interstitial lung disease
Sleep-disturbed breathing

Chronic pulmonary thromboembolism

Chronic pulmonary thromboembolism

Chronic pulmonary thromboembolism

ANA, RF, Scl-70
HIV
LFTs

ANA, RF, Scl-70
HIV
LFTs

ANA, RF, Scl-70
HIV
LFTs


ANA, RF, Scl-70

Echocardiogram

Echocardiogram

Echocardiogram

PFTs
Chest CT
Nocturnal oximetry

PFTs
Chest CT
Nocturnal oximetry

PFTs
Chest CT
Nocturnal oximetry


PFTs

V/Q lung scan

V/Q lung scan

V/Q lung scan V/Q lung scan

No underlying cause identified

No underlying cause identified

No underlying cause identified

IPAH

IPAH

IPAH

Group 1 pulmonary hypertension

Group 1 pulmonary hypertension

Group 1 pulmonary hypertension

Group 1 pulmonary hypertension

Group 1 pulmonary hypertension

Group 1 pulmonary hypertension

Group 2 pulmonary hypertension

Group 2 pulmonary hypertension

Group 2 pulmonary hypertension

Intracardiac shunts:


VSD
ASD
PDA

Intracardiac shunts:


VSD
ASD
PDA


VSD
ASD
PDA Intracardiac shunts

Significant left-sided heart disease:


Valve disease
Systolic or diastolic LV dysfunction

Significant left-sided heart disease:


Valve disease
Systolic or diastolic LV dysfunction


Valve disease
Systolic or diastolic LV dysfunction Significant left-sided heart disease

Group 3 pulmonary hypertension

Group 3 pulmonary hypertension

Group 3 pulmonary hypertension

Group 4 pulmonary hypertension

Group 4 pulmonary hypertension

Group 4 pulmonary hypertension

Group 1 pulmonary hypertension

Group 1 pulmonary hypertension

Group 1 pulmonary hypertension