What Should You Know About Pulmonologists and the Care They Provide?

If you have ever experienced persistent coughing, difficulty breathing, or unexplained shortness of breath, you may have been referred to a specialist known as a pulmonologist. Pulmonologists are medical doctors who specialize in diagnosing and treating diseases related to the lungs and respiratory system. Their expertise plays a vital role in the management of both acute and chronic lung conditions, offering patients accurate diagnoses, targeted treatments, and long-term care solutions. Understanding who pulmonologists are, what they do, and what to expect during your visit can help you take control of your respiratory health.

What Is a Pulmonologist?

A pulmonologist is a physician who specializes in pulmonology, the medical field that focuses on diseases and disorders of the respiratory system—which includes the lungs, trachea (windpipe), bronchi, diaphragm, and other parts of the chest. These specialists undergo extensive training, including medical school, residency in internal medicine, and additional fellowship training in pulmonary medicine.

Pulmonologists are trained to manage complex and severe respiratory conditions that go beyond the scope of general internal medicine. Their expertise also often overlaps with other fields such as critical care medicine and sleep medicine, making them essential for managing patients in intensive care units or those with sleep-related breathing disorders.

What Does a Pulmonologist Do?

Pulmonologists perform a wide range of clinical tasks to help patients with respiratory problems, including:

• Diagnosing respiratory diseases through physical exams, imaging tests, and lung function assessments 
• Managing chronic lung conditions such as asthma, COPD, obstructive sleep apnea, pneumonia or interstitial lung disease 
• Monitoring and adjusting medications such as inhalers, corticosteroids, or antifibrotics 
• Interpreting diagnostic tests, including chest X-rays, CT scans, and spirometry 
• Performing specialized procedures such as bronchoscopy or thoracentesis 
• Collaborating with other specialists, including cardiologists, allergists, rheumotologists, and oncologists, for comprehensive care 

Pulmonologists are especially skilled at identifying the underlying causes of persistent respiratory symptoms and developing personalized treatment plans to improve lung function and quality of life.

What Conditions Do Pulmonologists Treat?

Pulmonologists treat a broad spectrum of conditions affecting the lungs and airways. Some of the most common respiratory diseases managed by pulmonologists include:

• Asthma – a chronic inflammatory condition causing wheezing, breathlessness, and coughing 
• Chronic Obstructive Pulmonary Disease (COPD) – includes emphysema and chronic bronchitis, typically caused by smoking 
• Interstitial lung diseases –  a group of conditions that cause inflammation and scarring in lungs. Rheumotoid diseases such as scleroderma and rheumotoid arthritis may be the underlying cause. 

• Pulmonary fibrosis – scarring of lung tissue that causes stiffness and reduced oxygen exchange 
• Lung infections – such as pneumonia, tuberculosis, and fungal infections 
• Lung cancer – diagnosis, staging, and management in collaboration with oncology 
• Pulmonary hypertension – high blood pressure in the arteries of the lungs 
• Sleep apnea and other sleep-related breathing disorders 
• Bronchiectasis – abnormal widening of the airways, leading to mucus buildup and infections 
• Occupational lung diseases – resulting from exposure to dust, chemicals, or fumes at work 
• Acute respiratory distress syndrome (ARDS) – life-threatening inflammation and fluid buildup in the lungs 

Additionally, pulmonologists play a critical role in managing post-COVID-19 respiratory complications, particularly for patients experiencing long-term symptoms like shortness of breath or reduced lung capacity.

Why Would You Need to See a Pulmonologist?

You may be referred to a pulmonologist by your primary care doctor or emergency physician if you exhibit signs or symptoms suggestive of a lung or respiratory disorder. Common reasons to consult a pulmonologist include:

• Chronic cough that lasts more than 8 weeks 
• Shortness of breath during rest or exertion 
• Wheezing or noisy breathing 
• Chest tightness or discomfort 
• Recurrent respiratory infections 
• Persistent fatigue potentially linked to sleep apnea or low oxygen levels 
• Abnormal chest imaging results, such as X-rays or CT scans

• Snoring

• Unexplained low oxygen saturation or difficulty breathing during sleep 
• Need for specialized treatment such as long-term oxygen therapy or mechanical ventilation 

Seeing a pulmonologist can lead to earlier detection of serious conditions, better symptom management, and improved long-term outcomes—especially in patients with chronic or progressive respiratory diseases.

What Will a Pulmonologist Do on the First Visit?

Your initial appointment with a pulmonologist is a crucial step toward understanding and addressing your respiratory health. Here’s what typically happens during the first visit:

1. Comprehensive Medical History: The pulmonologist will ask detailed questions about your symptoms, their onset, duration, and severity. You’ll also be asked about smoking history, environmental or occupational exposures, and family history of lung disease. 
2. Review of Prior Tests and Imaging: If you’ve had previous tests such as chest X-rays, CT scans, or spirometry, the doctor will review these before making further recommendations. 
3. Physical Examination: A thorough chest and lung exam will be conducted using a stethoscope to listen for abnormal sounds like wheezing, crackles, or diminished breath sounds. 
4. Preliminary Diagnosis and Planning: Based on the findings, the pulmonologist may suggest a probable diagnosis and recommend further testing or initiate treatment right away. 
5. Patient Education: You’ll be informed about potential conditions, lifestyle changes, medications, or environmental modifications to support your respiratory health. 

It’s helpful to bring a list of medications, symptoms, and any relevant health records to make the most of your visit.

What Tests Does a Pulmonologist Run?

Pulmonologists use several specialized diagnostic tools and procedures to evaluate lung function and determine the cause of symptoms. Common tests include:

• Pulmonary Function Tests (PFTs): A series of breathing tests, such as spirometry and lung volume measurements, that assess how well the lungs are working. 
• Chest Imaging: This may include chest X-rays, high-resolution CT scans, or contrast enhanced CT scans to identify abnormalities in lung structure. 
• Oximetry: A simple test using a pulse oximeter to measure blood oxygen levels. 
• Arterial Blood Gas (ABG): A blood test that analyzes oxygen and carbon dioxide levels in arterial blood. 
• Bronchoscopy: A minimally invasive procedure using a flexible tube with a camera to examine the airways and collect tissue samples or clear blockages. 
• Sleep Studies (Polysomnography): Used to diagnose obstructive sleep apnea and other nighttime breathing issues. 
• Allergy Testing: To determine whether symptoms are related to environmental allergens. 
• Sputum Culture and Biopsy: To identify infections or cancer cells. 

The combination of these tests allows for an accurate diagnosis and helps the pulmonologist determine the most effective course of treatment.

In Summary

Pulmonologists are vital healthcare providers who specialize in managing a wide range of lung and respiratory conditions—from common ailments like asthma and bronchitis to complex diseases such as pulmonary fibrosis and lung cancer. By providing expert diagnosis, advanced testing, and personalized treatment plans, pulmonologists help patients breathe better and live healthier lives.

Whether you’re facing a chronic cough, unexplained fatigue, or abnormal imaging results, seeing a pulmonologist can be the first step toward effective management and long-term respiratory wellness. Understanding what to expect during your visit, the types of conditions they treat, and the tests they perform can ease anxiety and empower you to take charge of your lung health.