What Is PET Scan ?

A PET scan (positron emission tomography) is a type of imaging test that uses a radioactive tracer to look for changes in the function of cells and tissues. A tracer is a substance that is introduced into the body to make it easier to see certain areas or organs. The radioactive tracer used in PET scans emits positrons, which are tiny particles that collide with electrons in the body. This creates gamma rays that can be detected by a scanner and used to create images of the inside of the body. PET scans are often used to diagnose cancer because tumor cells typically have higher levels of activity than normal cells. They can also be used to check for treatment response, measure tumor size, and identify new tumors.

PET Scan is a nuclear medicine imaging test that uses a small amount of radioactive material, called a tracer, to look for disease in the body. A PET Scan can show how well organs and tissues are working. It can help find cancer, heart problems, and other diseases. A Positron Emission Tomography (PET) scan is a medical imaging test that helps physicians diagnose and treat diseases. PET scans use a small amount of radioactive material, called a tracer, to help physicians see how organs and tissues are functioning. The radioactive tracer is injected into the patient's body and travels to the organ or tissue being studied. Physicians can then see where the tracer collects on an image of the organ or tissue.

A PET scan is helpful in diagnosing cancer, heart disease, brain disorders, and other diseases. It can also help determine how well treatment is working. PET Scan is an acronym for Positron Emission Tomography. It's a type of medical imaging that uses a small amount of radioactive material to help diagnose and treat medical conditions. A PET scanner creates 3D images of the inside of the body. PET (positron emission tomography) scans use a small amount of radioactive material called a tracer to help doctors see certain areas of the body. The tracer is injected into a vein, and images are taken as it moves through the body.

PET scans are often used to find cancer because tumors absorb more of the radioactive material than normal tissue does. PET scans can also be used to measure blood flow, check how well drugs work, and see how active the brain is. A PET scan is a type of imaging test that uses radioactive tracers to look at the function and structure of organs and tissues in your body. A small amount of radioactive material is injected into your bloodstream and then scanned by a special camera. The camera creates pictures that show where the material has collected. This can help doctors see how well an organ is working or find tumors or other problems.

PET scan is short for positron emission tomography. It's a type of medical imaging that uses a radioactive tracer to look at organ function or tissue metabolism. The tracer is a small amount of radioactive material that's injected into the patient's bloodstream. It collects in organs and tissues, and a scanner detects the radiation emitted as it decays. This information is used to create cross-sectional images of the body that show how the organs and tissues are working. PET scans are most often used to detect cancer because tumors consume more energy than normal tissue and therefore have a higher metabolic rate. But they can also be used to evaluate other problems, such as heart disease, brain function, and joint damage.

PET scanning is a type of nuclear medicine imaging. A small amount of radioactive glucose (FDG) is injected into a vein and images are taken as the glucose moves through the body. Cancer cells use more energy than normal cells and therefore absorb more of the radioactive glucose. This allows tumors to be visualized on the scan. PET stands for Positron Emission Tomography. A PET scan is a medical imaging test that uses a radioactive tracer to look at organs and tissues inside the body. The tracer is injected into a vein, and images are taken as it moves through the body.

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Digital Health in India: Transforming Care with Technology – SecondMedic

In India today, healthcare is not just happening inside hospitals - it’s happening on screens, through apps, and in homes. The wave of digital health is reshaping how millions of Indians access, engage with and manage their health. And at the forefront of this transformation is SecondMedic - bringing tech-enabled, human-centred care to you.

Why Digital Health Matters in India

India faces a unique healthcare challenge: a large and diverse population, uneven distribution of healthcare services, rising burden of chronic disease, and cost pressure. According to recent reports, the digital health market in India was valued at approx USD 8.79 billion in 2024, and is expected to reach about USD 47.81 billion by 2033, at a CAGR of ~17.7%. custommarketinsights.com+1 Another report estimates USD 16.11 billion market size in 2024, with a projected USD 76.01 billion by 2033 (CAGR ~18.8%). Imarc Group

These numbers indicate the depth of opportunity - but also the urgency of care innovation.

Key Drivers of the Digital Health Revolution

Internet & Smartphone Penetration: With more than a billion internet users and increasing mobile data access, more Indians can access digital health tools than ever before.
Government Initiatives: Programmes such as the Ayushman Bharat Digital Mission (ABDM) are creating frameworks for unified health records and digital infrastructure. Grand View Research+1
Telemedicine Acceptance: The pandemic accelerated adoption - video consultations, e-prescriptions and remote care are now mainstream. GlobeNewswire+1
Rise of Health Tech Start-ups & Capital: India has attracted billions in venture funding for digital health innovation. Galen Growth
Chronic Disease Burden & Prevention Needs: With rising lifestyle diseases, digital tools for monitoring, prevention, and early intervention are vital.

How SecondMedic Delivers Digital Health

At SecondMedic, our vision of digital health encompasses more than technology - it’s about connecting people, data and care seamlessly. Here’s how:

Online Doctor Consultations: Talk to licensed doctors from home, get e-prescriptions, and follow up digitally.
Diagnostics at Home + Digital Reports: Book home sample collection, receive your reports online, and consult doctors based on results.
Digital Health Records: Your health history, test results, and prescriptions stored securely and accessible anytime.
Remote Monitoring & Chronic Care: Track BP, sugar, vitals via wearables or apps; get alerts and virtual support.
Preventive & Wellness Plans: Leverage digital assessments, personalised advice and follow-ups to stay ahead of illness.

Benefits for You & Your Family

More Accessible Care: Whether you’re in a metro or smaller town, digital health brings the doctor closer.
Time & Cost Savings: No long hospital visits; quicker decisions, less travel.
Continuity & Convenience: Care doesn’t stop at discharge - your health journey is tracked and managed digitally.
Empowered Patients: With health data and tools at your fingertips, you become an active participant in your healthcare.

Challenges & What Must Improve

While digital health offers promise, it’s not without hurdles:

Infrastructure Gaps: Rural regions may still face connectivity, device or digital literacy issues.
Data Privacy & Security: Ensuring health data is safely stored and used responsibly is essential.
Standardisation: Interoperability of health records, standard formats and integration across platforms remain a work in progress. arXiv+1
User Trust & Adoption: Some users remain sceptical of digital tools; building trust through reliable platforms is key.

Looking Ahead: The Future of Digital Health in India

The next phase of digital health will be characterised by:

AI & Predictive Analytics: Using big data to forecast disease risk, tailor treatment and improve outcomes.
Wearables & IoT: More connected devices tracking health in real time.
Integrated Ecosystems: Seamless flow between teleconsultation, diagnostics, pharmacy, monitoring and follow-up.
Inclusive Growth: Bringing digital health to underserved populations, remote areas and smaller towns.
Policy & Regulatory Maturation: Stronger frameworks, data governance and patient-centric policies.

Conclusion

Digital health in India is more than a technology trend - it’s the foundation of future-ready healthcare. For patients, it means access, convenience, and continuous care. For the healthcare system, it means efficiency, scalability and innovation.

At SecondMedic, we are committed to integrating technology with compassion - making sure that your health is managed smarter, digitally and with a human touch.

Start your digital health journey today at www.secondmedic.com.

Real Data & References

India digital health market valued at USD 8.79 billion in 2024, projected to reach USD 47.81 billion by 2033. custommarketinsights.com+1
India digital health market valued at USD 14.50 billion in 2024, projected to reach USD 106.97 billion by 2033 (CAGR ~25.12%). Grand View Research
India’s digital healthcare sector estimated to grow from USD 2.7 billion in 2022 to USD 37 billion by 2030. B Capital
India’s digital health records market size at USD 1.1 billion in 2024, projected at USD 1.5 billion by 2033. Imarc Group

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