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Sleep & The Heart: The Hidden Lever

We talk a lot about diet, exercise and stress—yet one of the most powerful “medicines” for your heart is something you do every night: sleep. Too little or poor-quality sleep pushes blood pressure up, worsens glucose control and can trigger heart rhythm problems in susceptible people. It isn’t a luxury; it’s a cardiovascular lever you can adjust.

Why Sleep Matters for Blood Pressure (and Metabolism)

Large, recent analyses show that routinely sleeping less than about seven hours a night is linked with a higher risk of developing hypertension. Improving sleep duration and regularity is a tangible change most patients can make, and it pays off in numbers.
Short or fragmented sleep also disrupts insulin sensitivity and weight control—two pathways that nudge cardiovascular risk in the wrong direction.

When Sleep Becomes a Heart Stressor: Sleep Apnoea

If your partner notices loud snoring or pauses in breathing, or you wake unrefreshed with morning headaches, consider obstructive sleep apnoea (OSA). Repeated oxygen dips and arousals activate the sympathetic (“fight-or-flight”) system, raise night-time blood pressure and are linked with atrial fibrillation (AF). Treating OSA can help reduce AF burden in selected patients.

A Quick Screening Path

Screening starts with simple questions: sleep duration, quality, bed/wake times, loud snoring, witnessed apnoeas and daytime sleepiness. When OSA is suspected, a brief tool such as STOP-Bang helps estimate risk before formal testing (home sleep study or in-lab polysomnography) if indicated.

During a 30-minute preventive visit we typically:

  •        Review sleep habits and red flags (snoring/pauses, unrefreshing sleep)
  •        Check blood pressure and heart rhythm (ECG)
  •     Assess metabolic risk (cholesterol and glucose, where appropriate)
  •     Decide next steps: a home blood-pressure log, sleep testing or cardiac imaging based on symptoms and risk

Treatment Pathways that Work

Sleep hygiene and behavior. Regular bed/wake times, a wind-down routine, screens down in the evening and consistent daytime movement improve sleep quality and next-day blood pressure. For chronic insomnia, cognitive behavioral therapy for insomnia (CBT-I) is first-line.

For Obstructive Sleep Apnoea

·        CPAP (continuous positive airway pressure) is the cornerstone. In patients with OSA and resistant hypertension, CPAP meaningfully lowers 24-hour blood pressure; effects are generally more modest in lower-risk groups.

·        Adjuncts such as weight management, positional therapy and mandibular advancement devices can help in selected cases (your sleep study guides the choice).

·        For patients with atrial fibrillation, addressing OSA is part of comprehensive rhythm care because OSA is associated with higher AF burden and recurrence.

How Much Sleep Should I Aim For?

The American Heart Association now includes sleep in its cardiovascular health checklist. Most adults should aim for 7–9 hours nightly, alongside the familiar pillars (diet, activity, weight, blood pressure, cholesterol, blood sugar and avoiding nicotine). Quality and regular timing matter as much as total hours.

Your Next Step

If you—or your partner—notice loud snoring or breathing pauses, if you wake unrefreshed, or if your blood pressure is stubbornly high, it’s worth a focused review. Small sleep changes can unlock improvements that pills alone sometimes can’t.

Book a preventive review with Dr. Fady Turquieh; let’s add sleep to your plan.

 

 

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Pre-op Heart Checks: Getting Surgery-Ready

Before non-cardiac surgery, the goal isn’t to stop operations—it’s to make them safer. A focused cardiovascular review clarifies risk, guides any optimization, and helps the whole team (surgeon, anesthesia, cardiology) plan a smooth pathway with fewer last-minute surprises and a faster recovery. Current guidelines recommend a stepwise approach: start with history and examination, consider the type of surgery, estimate risk, and only order tests if the result would change management.

The Quick Risk Conversation

  1. Symptoms & history: We ask about chest discomfort, breathlessness, palpitations, syncope, previous heart disease, and recent changes. Procedure urgency and surgical risk (minor vs intermediate vs major) matter too.
  2. Functional capacity: How far you can comfortably walk, or climb is a powerful predictor. Formal tools such as the Duke Activity Status Index (DASI) translate everyday activities into a score; values below ~34 suggest lower capacity and may justify closer evaluation for higher-risk procedures.
  3. Risk calculators: Indices like the Revised Cardiac Risk Index (RCRI) combine patient and procedure factors to estimate major cardiac complications. They’re a starting point—not the whole story—but they help target who benefits from further optimization.

Tests that Matter

Guidelines are clear: don’t test routinely. Use tests when results will alter the plan (e.g., delay surgery, change anesthesia strategy, start treatment).

  •         ECG & bloods: A resting ECG is useful when there’s known cardiovascular disease, significant risk factors, or symptoms; bloods (e.g., renal function, Hb) follow the surgical context and comorbidity. NICE gives pragmatic, procedure-based tables that help avoid unnecessary testing.
  •     Echocardiography: Consider if there’s new or worsening heart failure, unexplained dyspnoea, or a murmur suggesting significant valve disease—not for routine “screening”.
  •       Stress testing: Reserve for patients with poor functional capacity and elevated estimated risk where findings would change management (medical therapy, revascularization decisions, or surgical timing). Routine stress tests in low-risk or asymptomatic patients add little and may delay care.

Medication Timing & Coordination

A pre-op plan aligns medications with surgical bleeding and haemodynamic risks:

  •         Continue chronic therapies that protect the heart (e.g., beta-blockers and statins) unless your team advises otherwise. Starting beta-blockers de novo right before surgery is generally avoided.
  •     Antiplatelets/anticoagulants. Management is individualized. Recent stents, stroke risk, the bleeding profile of the operation, and renal function all influence timing. Decisions on holding/continuing aspirin, P2Y12 inhibitors, warfarin, or DOACs—and whether to bridge—should follow guideline algorithms and be coordinated with surgery/anesthesia.
  •     Blood pressure, diabetes and fluids. Optimizing BP, glucose and volume status before the date reduces complications and supports smoother recovery

What to Expect in a 30-minute Pre-op Heart Review

  •      History & examination: symptoms, prior heart disease, and procedure context.
  •      Functional capacity check: brief DASI-style review to gauge exercise tolerance.
  •      Baseline tests if indicated: ECG and bloods; echo or stress testing only when results will change decisions.
  •      Medication plan: blood thinners, BP and diabetes medications aligned to the surgical plan.
  •      Written summary for the team: clear recommendations for the surgeon and anesthetist (and for you)

The Bottom Line

A pre-operative cardiology review isn’t a barrier; it’s a safety net. By clarifying risk, targeting tests, and aligning medications, we reduce delays and improve outcomes—so you can have the operation you need with greater confidence.

Have an upcoming procedure? contact Dr. Fady Turquieh for a pre-op heart review so we can tailor a plan for you and your surgical team.

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How Air Conditioning Affects Your Heart Health: What Dubai Residents Should Know

Dubai summers are known for their intense heat, making air conditioning a necessity for comfort and safety. But while AC keeps you cool, have you ever wondered how it affects your heart health? Surprisingly, spending long hours in air-conditioned environments can have both positive and negative impacts on your cardiovascular system. Here’s what every Dubai resident should know.

The Connection Between Air Conditioning and Heart Health

Air conditioning helps regulate body temperature, reducing the strain heat places on your heart. During extreme temperatures, your heart works harder to keep your body cool by pumping blood to the skin and increasing sweat production. For people with heart conditions, this added stress can be dangerous. Cooling your environment lowers this workload, helping your heart function more efficiently.

However, relying heavily on AC without proper precautions can create new health concerns, particularly if you have existing cardiovascular risks.

The Risks of Overusing Air Conditioning

While AC is essential during Dubai’s hot months, overuse can lead to side effects that impact heart health:

  1.         Dehydration
    Air conditioners remove moisture from the air, which can lead to dehydration if you don’t increase your water intake. Dehydration thickens the blood, making it harder for the heart to pump effectively and increasing the risk of blood clots.
  2.         Sudden Temperature Changes
    Moving from a hot outdoor environment to an extremely cold indoor space can trigger stress on your cardiovascular system. These rapid changes may cause blood vessels to constrict, potentially leading to high blood pressure or even irregular heart rhythms.
  3.       Poor Air Quality
    If AC filters are not cleaned regularly, they can circulate dust, allergens, and pollutants. Poor air quality can lead to inflammation and increase the risk of cardiovascular disease over time.

Heart-Safe AC Habits for Dubai Residents

The goal is to enjoy the benefits of air conditioning without compromising your heart health. Here’s how:

  1. Set a Moderate Temperature: Avoid setting your AC too cold. A comfortable range between 22°C to 24°C helps your body adjust gradually and prevents sudden temperature shocks.
  2. Stay Hydrated: Drink enough water throughout the day to counteract the moisture loss caused by AC.
  3. Schedule Regular Filter Cleaning: Dirty filters affect air quality and can trigger respiratory and cardiovascular issues.
  4. Limit Sudden Transitions: If you’ve been outdoors in the heat, give your body a moment to cool down naturally before entering a very cold room.

Who Should Be Extra Careful?

Individuals with existing heart conditions—such as high blood pressure, coronary artery disease, or a history of heart attacks—should pay special attention. For these patients, extreme temperature fluctuations can trigger complications. Regular cardiology consultations in Dubai are essential to manage these risks effectively.

Signs AC May Be Affecting Your Heart

Watch out for symptoms such as:

  •  Increased heart rate
  • Unexplained fatigue
  •  Shortness of breath
  • Dizziness when transitioning between hot and cold environments

If you experience any of these signs, consult a cardiologist in Dubai promptly.

The Bottom Line

Air conditioning is a necessity in Dubai’s summer, but using it wisely is key to protecting your heart. Maintain moderate temperatures, stay hydrated, and prioritize regular check-ups to ensure your cardiovascular health stays strong, no matter the season.

With Dr. Fady Turquieh , we provide expert guidance and personalized care to help you manage heart health in all conditions. Whether it’s heat stress or lifestyle adjustments, our specialists are here for you.

Book your consultation today and keep your heart healthy this summer.
—> Schedule an Appointment

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Heart Health Myths You Still Believe This Summer and the Truth

As the summer heat rises in Dubai, many people focus on staying cool, hydrated, and active. But when it comes to heart health, misconceptions can lead to risky habits. It’s time to clear up some of the most common myths that could put your cardiovascular health in danger this season.

Why Heart Health Matters at Any Age

One of the biggest misconceptions is that heart disease only affects older people. The truth? Heart problems can occur at any age, especially with unhealthy lifestyles, stress, smoking, and poor eating habits. Even young, active individuals should pay attention to their cholesterol levels, blood pressure, and overall heart health. Ignoring these factors simply because you feel fit can lead to serious issues later on.

Hydration Is Not Enough for a Healthy Heart

Another common belief is that drinking plenty of water is enough to maintain a healthy heart during the summer. Yes, hydration is essential, but it’s not a magic shield. A balanced lifestyle that includes regular exercise, nutrient-rich meals, and routine check-ups is what truly keeps your heart strong. Overindulging in salty snacks, sugary drinks, and processed foods can still increase your risk of high blood pressure, even if you drink liters of water every day.

No Symptoms? Don’t Be Fooled

Many people also think if they don’t feel chest pain, their heart must be fine. This is a dangerous myth. Conditions like high blood pressure and early-stage heart disease are often silent, showing no obvious symptoms. Waiting for pain or discomfort before taking action can have life-threatening consequences. Preventive care through regular heart screenings is the key to avoiding complications.

Cardio Alone Isn’t Enough

There’s a misconception that cardio alone is enough for a healthy heart. While running and swimming are great, strength training plays an equally important role. It helps maintain a healthy weight, reduces bad cholesterol, and supports overall cardiovascular function. A balanced routine that combines cardio and resistance training is your best defense.

Family History Doesn’t Decide Your Fate

Some people believe that genetics seal their fate — that if heart disease runs in the family, nothing can be done. While family history does play a role, lifestyle choices have an even greater impact. Quitting smoking, eating a heart-friendly diet, staying active, and managing stress can drastically reduce your risk, even if heart disease runs in your family.

Summer Heart Health Tips

So, what can you do this summer to protect your heart?

  • Stay hydrated, but eat smart: Avoid excessive salt and sugar, load up on fresh fruits and vegetables, and opt for omega-3-rich foods like fish and nuts.
  • Plan your workouts during cooler hours to avoid heat stress, and include both cardio and strength exercises.
  • Don’t wait for symptoms: Schedule a routine check-up with a cardiologist in Dubai to ensure your heart is in top shape.

With Dr. Fady Truquieh, we believe prevention is the best medicine. Our expert team offers comprehensive heart check-ups, personalized care, and advanced treatments to keep your heart healthy, no matter the season.

Ready to take control of your heart health this summer?
Book your consultation today and give your heart the care it deserves.

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Heart Health Made Simple: The Role of Blood Tests in Cardiology Dubai, UAE

Did you know that one of the most powerful tools for assessing heart health is the cardiology blood test? A simple yet highly effective way to detect potential issues before they become serious. Whether you’re managing a known heart condition or simply taking a proactive approach to your health, cardiology blood tests in Dubai offer a window into your cardiovascular well-being. With state-of-the-art facilities and world-class specialists like Dr. Fady Turquieh, a leading cardiologist in Dubai, you can trust that your heart is in the best hands.

What Are Cardiology Blood Tests?

Cardiology blood tests are specialized diagnostic tools that measure specific biomarkers in your blood to assess heart health. These tests can detect early signs of heart disease, monitor existing conditions, and evaluate the effectiveness of treatments. Unlike imaging tests, blood tests provide detailed insights into the chemical and cellular processes affecting your heart, making them an essential part of preventive and diagnostic cardiology.

Common Cardiology Blood Tests

Here are some of the most widely used cardiology blood tests available in Dubai:

  1. Cholesterol Panel: Measures levels of LDL (bad cholesterol), HDL (good cholesterol), and triglycerides. High cholesterol is a major risk factor for heart disease.
  2. High-Sensitivity C-Reactive Protein (hs-CRP): Detects inflammation in the body, which can indicate a higher risk of heart attack or stroke.
  3. Lipoprotein(a): Assesses a specific type of cholesterol particle linked to an increased risk of cardiovascular disease.
  4. Homocysteine Test: High levels of this amino acid can indicate a higher risk of heart disease and stroke.
  5. Blood Glucose Test: Monitors blood sugar levels, as diabetes is a significant risk factor for heart disease.

Why Are Cardiology Blood Tests Important?

Cardiology blood tests play a crucial role in both prevention and treatment. Here’s why they matter:

  • Early Detection: Many heart conditions develop silently, without noticeable symptoms. Blood tests can identify risks like high cholesterol or inflammation long before symptoms appear.
  • Personalized Treatment: By understanding your unique biomarkers, doctors can tailor treatments to your specific needs, improving outcomes.
  • Monitoring Progress: For patients with existing heart conditions, regular blood tests help track the effectiveness of medications and lifestyle changes.
  • Risk Assessment: Blood tests provide a comprehensive picture of your heart health, helping you and your doctor make informed decisions about prevention.

Who Should Consider Cardiology Blood Tests?

Cardiology blood tests are recommended for:

  • Individuals over the age of 40, as heart disease risk increases with age.
  • Those with a family history of heart disease or other cardiovascular conditions.
  • People with risk factors such as high blood pressure, diabetes, obesity, or smoking.
  • Patients already diagnosed with heart conditions who need regular monitoring.
  • Anyone interested in a proactive approach to their health.

The Role of Dr. Fady in Cardiology Care

Dr. Fady Turquieh specializes in diagnosing and managing heart conditions using advanced diagnostic tools like cardiology blood tests. With a patient-centered approach, Dr. Fady Turquieh ensures that each individual receives personalized care tailored to their unique needs. Whether you’re looking to assess your heart health or manage an existing condition, he and his team are dedicated to providing the highest standard of care.

Conclusion

Cardiology blood tests are a cornerstone of modern heart care, offering invaluable insights into your cardiovascular health. In Dubai, where healthcare excellence is a priority, these tests are easily accessible and backed by world-class expertise. By taking advantage of these advanced diagnostic tools, you can stay one step ahead of heart disease and ensure a healthier future.

Don’t wait for symptoms to appear—take control of your heart health today. Book a cardiology blood test with Dr. Fady Turquieh in Dubai and experience the peace of mind that comes with knowing your heart is in expert hands.