Continuous Heart Monitoring with Holter Monitor Testing in Katy
If you’re experiencing symptoms like palpitations, dizziness, or fainting that don’t show up during a brief EKG, Holter monitor testing in Katy offers a reliable way to track your heart’s activity over 24 to 48 hours. At Advanced Cardiology, our board-certified cardiologist provides expert heart rhythm monitoring with same-week availability and thorough follow-up evaluations.
Why Holter Monitor Testing Matters for Ongoing Heart Symptoms
A Holter monitor is a small, wearable device that continuously records your heart’s electrical activity for 24 to 48 hours—or longer if needed. Unlike a standard EKG that captures just a few seconds, Holter monitor testing is ideal for detecting irregular heart rhythms that come and go throughout the day.
At Advanced Cardiology in Katy, serving Sugar Land, Richmond, and the Greater Houston area, we offer advanced Holter monitor testing to evaluate symptoms like unexplained palpitations, intermittent chest pain, dizziness, or fainting spells. Our board-certified cardiologist, Dr. Adnan Khalid, will review your recordings in detail to detect any subtle abnormalities that might be missed with a routine in-office test.
Early and accurate monitoring helps us catch signs of arrhythmias, silent ischemia, or other underlying issues—so you get the right treatment at the right time.
Meet the Cardiologist
Adnan Khalid, MD, Cardilogist
Education
Dr. Adnan Khalid, MD
Adnan Khalid, MD, specializes in treating coronary artery disease, peripheral artery disease, heart failure, hypertension, arrhythmias, and hyperlipidemia. He has over 10 years of experience in the field of cardiovascular medicine.
Dr. Khalid graduated from his medical school among the top 10 out of 250 medical students in his class. He is fellowship trained in cardiovascular diseases, interventional cardiology, advanced heart failure, and transplant cardiology. He is focused on providing personalized and compassionate care. Dr. Khalid believes in spending time with his patients and listening to their needs and is committed to offering excellent care.
Dr. Khalid is an avid reader. He is eager to learn new things; He likes to work out and spend time with his family. When off from work, he likes to travel and spend time in nature along with family and friends. He is married with three children. Dr. Adnan Khalid is now seeing patients at our Katy and Sugar Land clinics—accepting new patients from Houston and surrounding areas.
Board Certifications
American Board of Internal Medicine
Interventional Cardiology
Why Cardiologists Recommend Event Monitor Testing
If your heart symptoms are occasional, brief, or unpredictable, a standard EKG may not catch the issue. That’s when cardiologists recommend Holter monitor testing—a powerful diagnostic tool that tracks your heart rhythm continuously over 24 to 48 hours or longer.
Common Reasons to Use a Holter Monitor:
Irregular Heartbeat or Palpitations
Why It Matters: Symptoms like fluttering, pounding, or skipped beats may signal arrhythmias.
How Holter Helps: Captures heart rhythm patterns throughout the day and during various activities to detect abnormalities like AFib, SVT, or PVCs.
Unexplained Fainting or Dizziness
Why It Matters: May indicate abnormal electrical signals or sudden changes in heart rate.
How Holter Helps: Tracks the heart over time to identify pauses, bradycardia, or heart blocks causing these symptoms.
Chest Pain Not Caught by EKG
Why It Matters: Brief or stress-induced chest pain may be missed on a standard EKG.
How Holter Helps: Monitors for ischemic changes or ST depressions that occur during everyday activities or stress.
Fatigue or Weakness Without a Known Cause
Why It Matters: Can be related to poor blood flow or inefficient heart function.
How Holter Helps: Identifies abnormal rhythms or slow heart rates that could be affecting your energy levels.
Monitoring Medication or Device Effectiveness
Why It Matters: Some heart medications or pacemakers require monitoring to ensure proper function.
How Holter Helps: Tracks real-time heart activity to assess how well treatments are working.
At Advanced Cardiology in Katy, we use Holter monitoring to investigate symptoms that may indicate intermittent heart problems, especially when a routine in-office test isn’t enough to reach a diagnosis.
What Holter Monitor Results May Reveal
Intermittent Arrhythmias (Irregular Heart Rhythms):
Detects sporadic episodes of AFib, SVT, bradycardia, or ventricular arrhythmias—crucial for determining the need for medications, lifestyle changes, or devices like pacemakers.
Heart Rate Variability & Response to Activity:
Reveals how your heart reacts to stress, sleep, and exercise. Irregular fluctuations could indicate autonomic dysfunction or poor cardiovascular conditioning.
Silent Ischemia (Reduced Blood Flow Without Symptoms):
Unnoticed ST segment changes may point to poor blood supply to the heart—even in the absence of chest pain.
Heart Blocks or Pauses:
Can detect episodes of heart slowing or missed beats that might explain dizziness or fainting. These findings often guide decisions around pacemaker implantation.
Effects of Medications or Pacemakers:
Shows whether your current treatment is stabilizing your rhythm or if adjustments are needed.
At Advanced Cardiology, we interpret Holter results with precision and care. Our Katy-based cardiology team uses these insights to create targeted treatment plans—often preventing larger issues before they arise.
When Is It Time to Consider a Holter Monitor?
If your symptoms come and go, a standard EKG may not capture the problem. That’s where Holter monitor testing becomes essential. This wearable device continuously records your heart’s activity—usually over 24 to 48 hours—so your cardiologist can detect patterns missed during a quick in-office test.
You may need a Holter monitor if:
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You have unexplained dizziness, palpitations, or fainting spells
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Your EKG results were inconclusive, but symptoms persist
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You’re experiencing irregular heartbeats or fluttering sensations
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Your doctor wants to evaluate how your heart responds to daily activities
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You’re already on heart medication or a pacemaker and need monitoring
Still wondering if a Holter monitor is right for you?
Schedule a consultation at our Katy clinic and get answers tailored to your heart.
Insurance and Holter Monitor Coverage
Most major insurance plans—including Medicare and private providers—typically cover Holter monitor testing when deemed medically necessary by your doctor. This includes monitoring for symptoms like irregular heartbeat, fainting, or unexplained chest discomfort.
Decisions Based on Holter Monitor Findings
When symptoms come and go—like brief palpitations or unexplained dizziness—a standard EKG may miss them. That’s where Holter monitor testing in Katy can make all the difference. Continuous 24- to 48-hour monitoring captures your heart’s electrical activity throughout daily life, guiding critical decisions such as:
- Diagnosing intermittent arrhythmias not seen on a routine EKG
- Starting or adjusting heart rhythm medications
- Determining the need for a pacemaker or further electrophysiology studies
- Managing symptoms like fatigue, fainting, or fluttering sensations
- Monitoring the effectiveness of current cardiac treatments
New Patient Paperwork At Advanced Cardiology
Please print out your paperwork and bring it to your appointment at Advanced Cardiology. If your insurance requires authorization, please be sure to have that information sent to our office or bring it with you to your appointment, along with any medical records you may have. Please also make sure to bring your insurance cards, photo ID, and medication list.
Thank you, and we look forward to meeting you! Contact us today with any questions.
Call to Schedule Your Appointment!
(713) 258-6111
Houston Cardiologist
We diagnose and treat heart disease, such as congenital heart defects, coronary artery disease, heart rhythm disorders and heart failure.
About our Cardiologist: Comments from our Patients
# Cooperative & professional staff. Dr. Khalid is highly competent & experienced. Very kind & friendly too.
# He’s A Very Caring & Concerned Doctor. He Asks Important Questions, He Allows Me To Ask Questions & Fully Answers To My Satisfaction. He Diagnosis & Does Whatever It Takes To Fix My Health Issues. He’s A Wonderful Doctor…& Most Of All, I Trust Him & His Staff.
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Living with High hs-CRP and Cardiovascular Concerns
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