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Holter and Heart Monitoring in Pearland & Houston

Continuous rhythm recording over hours to weeks — to capture palpitations, dizziness, or blackouts as they actually happen.

Heart Monitoring

Understanding Ambulatory Heart Monitoring

A heart monitor is a small recorder worn on the chest that captures every heartbeat continuously while you go about your normal life. Unlike an EKG, which records a few seconds, a monitor records for days or weeks.

This matters because the most useful information in rhythm problems is what your heart is doing at the exact moment you feel a symptom. If the episode has passed by the time you reach a clinic, that information is simply gone.

Monitoring is the definitive test for intermittent palpitations, unexplained dizziness, and suspected atrial fibrillation. It is painless, and you carry on with normal activity throughout.

Meet Our Cardiology Team

Experienced. Compassionate. Focused on You.

Monitoring produces days of data, and its value is in the correlation. Our cardiologists review the recording against your symptom diary and explain what your heart was doing at the moment you felt something.

Portrait of Dr. Rizwan Khan, general cardiologist

Rizwan Khan, MD, FACC

General & Preventive Cardiology

MD — Doctor of Medicine
FACC — Fellow of the American College of Cardiology
Fellowships: Cleveland Clinic and Loyola University Medical Center
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Portrait of Dr. Muhammad Waheed Raja, general cardiologist

Muhammad Waheed Raja, MD

Preventive & Non-Invasive Cardiology

MD — Doctor of Medicine
Cardiology fellowship: Tulane University School of Medicine
Former Clinical Assistant Professor of Medicine, UTMB
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Portrait of Dr. Afaq Motiwala, interventional cardiologist

Afaq Motiwala, MD, FACC, RPVI

Interventional & Vascular Cardiology

FACC — Fellow of the American College of Cardiology
RPVI — Registered Physician in Vascular Interpretation
Interventional fellowship: Temple University Hospital
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Why Us

Why Patients Choose Alliance Heart & Vascular

Personalized Heart Care

Treatment plans tailored to your symptoms, history, and individual needs.

Comprehensive Cardiology

Preventive, diagnostic, interventional, and vascular care in one practice.

Advanced Cardiac Testing

Modern diagnostics for heart rhythm, function, structure, and blood flow.

Convenient Greater Houston Access

Serving Pearland with additional locations expanding across Greater Houston.

Board-Certified Cardiologists

Experienced physicians with advanced cardiovascular training and expertise.

Most Major Insurances Accepted

We work with many leading insurance plans for convenient access to care.

Heart Health Resources

Related Reading

Locations

Comprehensive Cardiovascular Care Close to Home

Alliance Heart & Vascular is expanding to serve patients across Pearland, Greater Houston and surrounding communities.

Pearland

Comprehensive cardiology, preventive cardiovascular care, diagnostic evaluation, and follow-up.

View Pearland Location

More locations coming soon

Alliance Heart & Vascular is expanding across Greater Houston and nearby communities, bringing convenient access to trusted cardiovascular care closer to where our patients live and work.

Insurance

Insurance We Accept

Alliance Heart & Vascular works with many major health insurance plans. Insurance participation can vary by plan, network, employer, and location.

Please call (346) 614-0002 before your appointment to verify your specific insurance benefits and network participation. Our team can help answer questions about scheduling, referrals, and insurance verification.

Before your visit

Call ahead to verify benefits and network participation
Ask whether your plan requires a referral
Bring your insurance card and photo ID
Bring prior cardiac test results if you have them
Why It Is Ordered

When Is Heart Monitoring Needed?

Monitoring is arranged whenever symptoms come and go, or when a rhythm needs quantifying rather than simply identifying. Common reasons include:

Palpitations that come and go
A racing heartbeat that starts suddenly
Skipped or extra beats
Unexplained dizziness
Fainting or near-fainting
Suspected atrial fibrillation
Measuring how much AF you have
Checking rate control on medication
A normal EKG despite ongoing symptoms
An alert from a smartwatch or home device
Suspected pauses or a slow rhythm
Assessing whether a pacemaker is needed
Follow-up after cardioversion or ablation
Stroke of unknown cause, to look for AF
Quantifying frequent ectopic beats
Symptoms continuing after an ER visit

The single most valuable outcome is a recording taken while you were feeling your symptom. That correlation is what turns a monitor from a data collection exercise into a diagnosis.

Emergency Reminder

A monitor records — it does not alert anyone in real time. If you develop severe chest pain, fainting, or severe breathlessness while wearing one, call 911 immediately.

Do not wait for an office appointment.

Online appointment requests should never be used for potentially life-threatening symptoms.

The Options

How Long You Wear It

The right monitor depends entirely on how often your symptoms occur. Wearing one for too short a period is the most common reason monitoring fails to find an answer:

Monitor types

24-hour Holter, for daily symptoms
48-hour Holter, for near-daily symptoms
Patch monitor, worn 7 to 14 days
Extended monitoring up to 30 days
Event recorder, activated by you
Post-stroke monitoring for occult AF
Rate-control assessment over 24 hours
Post-ablation rhythm surveillance
Implantable recorders, by referral

What gets measured

Every heartbeat, continuously
Fastest and slowest rates reached
Pauses between beats
Number of ectopic beats
Episodes of atrial fibrillation
Rhythm at the moment of your symptoms

If your palpitations happen once a month, a 24-hour Holter is very unlikely to capture them. Matching the monitoring period to your symptom frequency is the whole art of ordering this test.

What It Finds

What Monitoring Can Detect

A monitor answers questions an EKG cannot, because it is present for the episode rather than sampling a random few seconds.

Call 911 immediately if a heart attack is suspected. Do not drive yourself to hospital.

Atrial Fibrillation

Confirms intermittent AF that a resting EKG will miss, and measures how much of the time you are in it — which informs stroke prevention.

Supraventricular Tachycardia

Captures the abrupt start and stop of SVT episodes, which is the pattern that distinguishes it from other fast rhythms.

Ectopic Beats

Counts extra beats and expresses them as a percentage of the total. A high burden occasionally affects heart function and changes management.

Pauses and Slow Rhythms

Identifies significant pauses or heart block, particularly overnight, which is often what determines whether a pacemaker is needed.

Symptom Correlation

Matches your diary entries against the recording, establishing whether your symptom coincided with an abnormal rhythm or a normal one.

Rate Control Assessment

In known atrial fibrillation, shows whether medication is controlling the rate across the whole day, including during activity and sleep.

Wearing It

What to Do While Wearing a Monitor

The monitor only produces a diagnosis if you carry on normally and record what you feel. Please:

Go about your usual daily activities
Keep a diary of symptoms with times
Note what you were doing at the time
Press the event button if there is one
Follow the instructions about showering
Avoid lotions and oils on the chest
Return the device promptly when finished

The diary matters

A monitor with no symptom diary is far less useful. Noting the time you felt something is what allows us to look at that exact moment in the recording and say whether the rhythm was responsible.

Visit Us
10905 Memorial Hermann Drive, Suite 203, Pearland, TX 77584
Downtown Houston — serving the Texas Medical Center, Midtown, and Downtown
Monday–Friday, 8:00 a.m. – 4:30 p.m.
(346) 614-0002
Diagnostics

Other Cardiac Tests We Offer

Not every patient needs every cardiac test. Testing should be selected based on your symptoms, examination, medical history, and cardiovascular risk. Depending on your individual situation, your cardiologist may recommend one or more of the following.

Advanced Cardiovascular Imaging

Certain patients may require additional cardiac imaging or coronary evaluation depending on their symptoms and risk profile. Your cardiologist will explain why a particular test is being recommended and how the results may influence your treatment plan.

Treatment

After Your Monitor

The full recording is analyzed and compared against your symptom diary. What follows depends on what was captured and whether it coincided with your symptoms:

Correlation of symptoms with the rhythm
Reassurance where the rhythm was normal
A named arrhythmia diagnosis
Stroke risk assessment if AF is found
Anticoagulation where indicated
Rate-control medication
Rhythm-control medication
Trigger identification and avoidance
Thyroid and electrolyte testing
Electrophysiology referral for ablation
Pacemaker assessment for pauses
Longer monitoring if nothing was captured
A written report for your physician

A monitor that records a normal rhythm during your symptoms is a genuinely valuable result. It rules the heart out with confidence, which is often exactly what a patient needs to hear.

Patient sharing their experience
Referrals

Symptoms That Stopped Before You Were Seen?

This is the single most common frustration in rhythm problems. Patients attend an emergency department with a racing heart, wait, and by the time an EKG is taken the rhythm has returned to normal. The episode was real, but the evidence has gone.

Monitoring is appropriate if you have:

Palpitations that stopped before an EKG
A normal EKG but recurring symptoms
Been told your rhythm was normal on the day
Unexplained dizziness or blackouts
An alert from a wearable device
Known AF needing rate assessment
Symptoms since a cardioversion or ablation
Bring any smartwatch or home ECG recordings you have saved. They are not diagnostic on their own, but they help us choose the right monitoring period.
FAQ

Frequently Asked Questions About Heart Monitoring

Still have questions?

Talk to our office — Monday to Friday, 8:00 a.m. to 4:30 p.m.

Call (346) 614-0002

A Holter monitor is a small recorder worn on the chest that captures every heartbeat continuously, usually for 24 to 48 hours, while you go about normal daily activity.

A monitor records but does not alert anyone in real time. Call 911 for severe chest pain, fainting, or severe breathlessness, even while wearing one.

It depends on how often your symptoms occur. Daily symptoms suit a 24 or 48-hour Holter; less frequent ones need a patch monitor worn one to four weeks.

It depends on the device. Some patch monitors are water-resistant and can be showered with; older Holter units cannot. You will be told which applies to yours.

No. The electrodes are adhesive pads on the skin. Some people find the adhesive slightly itchy after several days, but the recording itself is painless.

Carry on exactly as normal and keep a diary of any symptoms with the time they occurred. Behaving unusually while wearing it reduces the chance of capturing the problem.

Yes, unless you are told otherwise. Exercising normally is helpful, particularly if your symptoms tend to occur during activity.

That is still informative, though less conclusive. If symptoms did not occur, we may extend the monitoring period. If they did occur and the rhythm was normal, that is a genuinely useful negative result.

An event recorder is worn for longer and records when you activate it, or automatically when it detects an abnormality. It suits symptoms too infrequent for a Holter to catch.

Yes, and it is the best non-invasive way to do so. Monitoring confirms intermittent AF and measures how much of the time you are in it, which informs stroke prevention.

A smartwatch is useful for flagging an irregular rhythm and is worth bringing to your appointment, but it is not diagnostic. A medical monitor records continuously and in more detail.

AF burden is the percentage of the monitoring period spent in atrial fibrillation. It helps guide treatment, though stroke risk depends on your history rather than burden alone.

The recording is analyzed after the device is returned, and your cardiologist reviews it against your symptom diary before discussing the findings with you.

Bring your photo ID, insurance card, medication list, and any smartwatch or home ECG recordings you have saved.

Yes. Alliance Heart & Vascular welcomes new patients seeking cardiovascular evaluation. Call our office or request an appointment online.

Need Heart Rhythm Monitoring?

The rhythm during your symptom is the answer.

Whether you have palpitations that stop before they can be recorded, unexplained dizziness, an alert from a wearable device, or known atrial fibrillation needing assessment, we arrange and interpret heart monitoring on site.

Request an Appointment

New patients are welcome.

Serving patients throughout Pearland, Greater Houston, and surrounding areas.