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Understanding ASMI and How DEXA Scans Can Help Your Health and Fitness

12/12/2025

If you’re looking to improve your health and fitness, ASMI (Appendicular Skeletal Muscle Index) is a crucial metric to consider. ASMI measures the amount of muscle in your arms and legs relative to your height, offering a clear picture of your muscle mass and overall health. It’s an essential indicator of muscle strength and metabolic health.

What is ASMI?

ASMI shows how much muscle mass you have in your limbs. Higher ASMI typically means stronger muscles and better health, while lower ASMI could indicate muscle loss, which increases the risk of frailty and other health problems.

Why ASMI Matters

Muscle Health: More muscle means a higher metabolism and better fat management. ASMI helps you track how much muscle you have and whether it's increasing or decreasing.
Health Risks: Low ASMI can signal muscle wasting (sarcopenia), which is linked to frailty, falls, and other chronic conditions.
Fitness Progress: Tracking ASMI helps you assess whether your workouts are building muscle effectively.

How DEXA Scans Help
DEXA scans (Dual-Energy X-ray Absorptiometry) are the most accurate way to measure ASMI. Unlike regular scales, DEXA scans break down your body composition into fat, lean mass, and bone density. It provides precise measurements of muscle in your arms and legs, allowing you to monitor changes in muscle mass over time.

Benefits of Tracking ASMI with DEXA

Precise Muscle Tracking: DEXA scans offer an accurate assessment of your muscle mass, helping you track whether you're building muscle or losing it.
Early Detection of Sarcopenia: If your muscle mass is decreasing, a DEXA scan can help detect this early, allowing you to take action.
Customized Fitness Plans: Accurate ASMI data lets you fine-tune your workout and diet to focus on building muscle where it matters most.

Conclusion:
Monitoring your ASMI with a DEXA scan is a powerful way to track muscle health and improve your overall fitness. It’s an essential tool for anyone looking to optimize their body composition and prevent muscle loss over time.

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The VAT/SAT Ratio: Why It Matters for Your Health and How DEXA Scans Can Help

12/12/2025

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In the world of health and fitness, understanding your body composition is key. One important measurement is the VAT/SAT ratio, which compares two types of fat: visceral adipose tissue (VAT) and subcutaneous adipose tissue (SAT).

Visceral Fat (VAT): Fat surrounding internal organs, linked to serious health risks like heart disease, diabetes, and metabolic disorders.
Subcutaneous Fat (SAT): Fat beneath the skin, easier to notice and generally less harmful than visceral fat.

The VAT/SAT ratio shows how much visceral fat you have relative to subcutaneous fat. A higher ratio means more visceral fat, which is more dangerous to your health.

Why is the VAT/SAT Ratio Important?

Health Risk Indicator: A higher VAT/SAT ratio is linked to an increased risk of chronic diseases, even if your weight appears normal.
Body Composition: It helps you understand where your fat is stored, especially if you're focusing on fat loss for better health.
Preventative Health: Regularly monitoring this ratio lets you take action before health issues arise.

How DEXA Scans Help
A DEXA scan (Dual-Energy X-ray Absorptiometry) is one of the most accurate ways to measure body fat. Unlike other methods, DEXA can specifically measure both visceral and subcutaneous fat, giving you a clear picture of your body composition.

Benefits of Using DEXA to Track VAT/SAT:

Early Detection of Health Issues: Identify hidden risks from visceral fat.
Accurate Progress Tracking: See if you're losing fat in the right areas, especially the dangerous visceral fat.
Personalized Fitness Plans: Tailor your diet and exercise to target the fat that matters most.

Conclusion
Your VAT/SAT ratio is a vital health metric. A DEXA scan is the most accurate way to measure and track this ratio, helping you make informed decisions about your health and fitness.

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Vitamin D Alone Isn’t Enough: Why You Need a DEXA Scan for Weak Bones

1/11/2025

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Many people start taking vitamin D supplements when they feel their bones are getting weaker or after being told they might have “low bone density.”
While vitamin D plays a key role in calcium absorption and maintaining bone health, it’s not enough on its own to diagnose or treat bone weakness.

Why Vitamin D Alone Is Not Enough ?
Vitamin D deficiency can contribute to bone loss — but weak bones (osteopenia or osteoporosis) can also result from several other factors, including:

Age-related hormonal changes
Genetic factors
Long-term use of certain medications (such as steroids)
Sedentary lifestyle
Poor calcium intake
Smoking or excessive alcohol use

Even if you take vitamin D and calcium, you could still be losing bone density if these other risk factors are at play. That’s why getting an accurate diagnosis is crucial.

The Importance of a DEXA Scan
A DEXA (Dual-Energy X-ray Absorptiometry) scan is the gold standard test for assessing bone mineral density (BMD).
It measures how strong your bones are and classifies bone health into three main categories:

Category T-Score Range Meaning
Normal ≥ -1.0 Healthy bone density
Osteopenia Between -1.0 and -2.5 Early bone loss (mild weakness)
Osteoporosis ≤ -2.5 Significant bone loss, high fracture risk

A DEXA scan helps your doctor determine how severe your bone weakness is — and therefore, which treatment plan is best for you.

Treatment Options Based on DEXA Results
1. Normal Bone Density (T-score ≥ -1.0)
Focus: Prevention
Recommendations:

Maintain adequate calcium (1000–1200 mg/day) and vitamin D (800–1000 IU/day)
Engage in regular weight-bearing exercises (e.g., walking, light weights, yoga)
Avoid smoking and limit alcohol
Recheck bone density every 3–5 years if risk factors are present

2. Osteopenia (T-score between -1.0 and -2.5)
Focus: Slow or prevent further bone loss
Recommendations:

Continue vitamin D and calcium supplementation
Exercise regularly (especially strength and balance training)
Address modifiable risk factors (smoking, low body weight, poor diet)
In high-risk patients (e.g., postmenopausal women or those with prior fractures), your doctor may prescribe:
- Bisphosphonates
- Selective Estrogen Receptor Modulators (SERMs)

3. Osteoporosis (T-score ≤ -2.5)
Focus: Strengthen bones and reduce fracture risk
Recommendations:

Maintain calcium and vitamin D supplementation as a baseline
Prescription medications may include:
- Bisphosphonates (e.g., alendronate, risedronate)
- Denosumab (for those intolerant to bisphosphonates)
- Teriparatide or abaloparatide (bone-building agents for severe cases)
- Romosozumab (for certain postmenopausal women)
Incorporate fall prevention strategies and lifestyle modifications
Repeat DEXA scans every 1–2 years to monitor progress

Key Takeaway
Taking vitamin D alone is not a treatment for weak bones — it’s just one piece of the puzzle.
The only way to understand the severity of bone weakness — and decide whether lifestyle changes are enough or if prescription medication is needed — is through a DEXA scan.
If you suspect your bones are weak, don’t self-treat with supplements alone.
Talk to your doctor about getting a DEXA scan and developing a personalized bone health plan.

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Liver Elastography

23/1/2023

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Liver Elastography - using ARFI pSWE

Liver elastography is a technique used to measure stiffness of the Liver and evaluate the fibrosis in the Liver

We use ARFI pSWE to perform multiple measurements
Added advantage over 1D-Transient Elastography / Fibroscan - Direct Visualization of Liver Tissue and assessment by experienced Radiologist

Images Courtesy: Dr Ayush Goel

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Ultrasound in Pregnancy / Fetal Ultrasound / Fetal Sonography

2/11/2022

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Ultrasound is the safest investigation during pregnancy and with advancing science it has become a routine test to evaluate the fetus/baby.

Many Patients are worried and confused about what will be the best time for ultrasound. Timing of ultrasound is very important to obtain proper information and follow up the pregnancy.

Note: Pregnant patient must have her valid ID proof & a valid prescription with sign and stamp of the referring doctor.

Ideally the timings to follow should be:

Documenting and Dating the Pregnancy – around 8-9 weeks (from LMP)
NT scan – around 12 weeks (from EDD / LMP)
* Early Anomaly Scan – around 15-16 weeks (if needed based on previous ultrasound)
Anomaly Scan / Level II + Fetal Echocardiography / Fetal Echo – around 19-22 weeks
* Follow up scan for specific structure – around 24-26 weeks (if needed based on previous ultrasound)
* Fetal Echocardiography alone – around 22-25 weeks
Growth scan (always with Doppler) – around 28-30 weeks
Follow up Growth scan (always with Doppler) – around 35 weeks
Growth scan monitoring (always with Doppler) – as required based on any problem in previous scans

A scan may also be required in between based on any specific complain of the mother or if the doctor feels there is some complication or the doctor needs some specific information regarding the progress of pregnancy.

Author: Dr Ayush Goel

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