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Angioectasias Specialist - Dr. Rishi Chadha

Angioectasias are weak gastrointestinal tract blood vessels which have the potential to produce chronic or acute bleeding. Dr. Rishi Chadha is a specialist at the GastroDoxs in Houston whouses the latest diagnostics and minimally invasive treatments to diagnose and treat such lesions and provide a high level of individual care.

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Texas Medical Board
Harris County Medical Society
American College of Gastroenterology
American Society for Gastrointestinal Endoscopy
Memorial hermann
Houston Methodist leading Medicine
HCA Houston Healthcare
Rishi Chadha

About the Expert

Dr. Rishi Chadha, MD is a board‑certified gastroenterologist who specializes in preventive gastroenterology, colorectal cancer screening, and minimally invasive endoscopic procedures. He completed his fellowship at Sunrise Health GME in Las Vegas and previously trained in internal medicine at St. Vincent’s Medical Center in Connecticut.

What Are Angioectasias?

Angioectasias consist of small vessels of blood (weak and structures) within the digestive system (colon, stomach, or small intestine) which may bleed slowly or result in an acute hemorrhage.

Common Causes and Risk Factors

  • Age over 60 : blood vessel walls weaken with age
  • Chronic kidney or heart disease : can impair vessel integrity
  • Low oxygen levels in the gut : promotes growth of fragile vessels
  • Use of blood thinners : increases bleeding tendency
  • History of angioectasias : prior lesions can recur

Signs and Symptoms

  • Black or tarry stools (melena)
  • Bright red blood in the stool
  • Tiredness or weakness from chronic blood loss
  • Dizziness or fainting episodes
  • Mild abdominal discomfort (less common)

How Dr. Rishi Diagnoses Angioectasias?

Dr. Chadha uses a step-by-step approach:

Medical History and Exam

He examines your symptoms and gastroenterology history and risk factors.

Blood Tests

Anemia screening on the basis of red blood cell counts and levels of iron.

Endoscopy or Colonoscopy

With the help of a flexible camera, examines the stomach or colon to identify a small bleeding vessel.

Capsule Endoscopy

Is a small swallower of a camera capsule, which gives the small intestine a photographed image.

CT Angiography

Conducts a thorough scan to find active bleeding of the digestive tract.

Rishi Chadha
Treatment

Our Houston team offers a full range of care for angioectasias.

Lifestyle and Diet Modifications

  • Eat small balanced meals to lessen the strain on delicate vessels.
  • Eat iron-enriched products such as greens, beans, and white meats.
  • Hydrate yourself by consuming water.
  • Do not mix alcohol and too much caffeine.
  • Do not take NSAIDs (e.g., ibuprofen) without doctor recommendation.

Medications

  • Orally administered iron supplementation to correct anemia.
  • Hormone treatment during the selected cases to lower the risk of bleeding.
  • With medical supervision, careful blood thinners must be adjusted or held off.

Minimal Invasive or Extensive Surgery

  • Coagulation of the gut hemorrhage through the endoscope by means of heat or clips.
  • Argon plasma coagulation (APC) over targeted blood vessels ablation.
  • Imbalanced treatment of lesions located deep in the small intestine using balloon-assisted enteroscopy.
Rishi Chadha

About the Author

Dr. Rishi Chadha, MD is a board‑certified gastroenterologist who specializes in preventive gastroenterology, colorectal cancer screening, and minimally invasive endoscopic procedures. He completed his fellowship at Sunrise Health GME in Las Vegas and previously trained in internal medicine at St. Vincent’s Medical Center in Connecticut.

Frequently Asked Questions

What is an angioectasia?

A weak, little blood vessel in the digestive tract and capable of bleeding.

What is the mechanism of angioectasias to cause anemia?

Activities such as slow or intermittent bleeding through these weak vessels decrease the levels of red blood cells in the long run.

Which factors contribute to angioectasias?

Increased risk is in age above 60, heart or kidney disease, low gut oxygen levels, and taking drugs to thin blood.

Does the healing of angioectasias occur spontaneously?

Rarely. The majority of the bleeding angioectasias demand endoscopy or other therapies to prevent the bleeding.

Would endoscopy be the optimal diagnostic test?

Yes. Direct visualization and frequent concomitant therapy can be obtained using upper endoscopy, colonoscopy or capsule endoscopy.

What is the angioectasia ICD-10 code in the colon?

Angiodysplasia of the intestine including colon is coded 63.5.

Is argon plasma coagulation safe (APC)?

Yes. APC is a least invasive, fast surgery with a minimal level of complications.

Should the treatment be stopped before treatment?

Just in case Dr. Chadha prescribes it. He will weigh up and down the risk of bleeding versus the risk of clotting individually.

What is the time of the day when I should eat following endoscopic treatment?

Depending on the procedure, most patients can put up with soft foods same day or next day.

Does Medicare include tests and treatment?

Yes. A vast majority of diagnostic tests and treatment procedures of angioectasias are full or substantially covered.

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