Heart Palpitations: When to See a Cardiologist
Most palpitations are benign — but some signal a serious arrhythmia that requires urgent assessment. Dr George Xynopoulos explains the red flags, the diagnostic pathway, and when to act.
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020 3146 9508Evidence-based articles written by Dr George Xynopoulos and the Victoria Medical clinical team — to help you understand your symptoms, your tests, and your options.
Most palpitations are benign — but some signal a serious arrhythmia that requires urgent assessment. Dr George Xynopoulos explains the red flags, the diagnostic pathway, and when to act.
An echocardiogram is the most informative non-invasive cardiac test available. Dr Xynopoulos explains what it reveals — from ejection fraction to valve disease — and what to expect at your appointment.
Heavy periods, pelvic pain, irregular cycles, an abnormal smear result — Dr George Xynopoulos explains the signs that warrant a private gynaecologist appointment and what to expect when you arrive.
PCOS, thyroid dysfunction, perimenopause, stress — Dr George Xynopoulos explains the causes of irregular periods, the investigations required, and when specialist assessment is needed.
Dr George Xynopoulos explains what a pelvic ultrasound scan is, what conditions it detects — ovarian cysts, fibroids, PCOS, endometriosis — and how to prepare for your appointment.
Most ovarian cysts are benign and resolve on their own — but some require monitoring or treatment. Dr George Xynopoulos explains the types, symptoms, and how pelvic ultrasound characterises and manages them.
Fibroids affect up to 80% of women by age 50. Dr George Xynopoulos explains fibroid types, symptoms, ultrasound diagnosis, and the full range of treatment options — from medication to minimally invasive surgery.
Chest pain, palpitations, breathlessness, family history — Dr George Xynopoulos explains the key warning signs that warrant a private cardiology assessment and what to expect at your appointment.
Both tests investigate the heart — but they measure fundamentally different things. Dr George Xynopoulos explains when you need an ECG, when you need an echocardiogram, and when both are required.
Dr George Xynopoulos explains what a private GP does, how consultations work, what prescriptions and referrals are available, and when private primary care makes sense alongside your NHS GP.
Private GP consultation costs in London range from £75 to £300. Dr George Xynopoulos explains what is included in the fee, what affects the price, how prescriptions and investigations are charged, and how Victoria Medical's fees compare.
Most palpitations are harmless — but some signal a rhythm disorder requiring investigation. Dr George Xynopoulos explains causes, red flags, and which cardiac tests (ECG, echocardiogram) can provide definitive answers.
Most chest pain is not cardiac — but some is life-threatening. Dr George Xynopoulos explains the red flags that require 999, the symptoms that warrant a cardiologist, and which tests (ECG, troponin, echocardiogram) provide the answers.
Dr George Xynopoulos compares private GP and NHS GP services — appointment availability, consultation length, referral speed, cost, and how to use both systems together for the best health outcomes.
Hypertension affects 1 in 3 UK adults and usually causes no symptoms. Dr George Xynopoulos explains the NICE classification, causes, cardiovascular risks, investigations, and when to see a cardiologist or GP.
You do not always need a GP referral to see a private specialist — but a referral letter significantly improves the quality of your consultation. Dr George Xynopoulos explains when to self-refer and when to get a GP referral first.
59% of UK adults have raised total cholesterol — but most have no symptoms. Dr George Xynopoulos explains what each cholesterol number means, what the NICE targets are, and when to see a GP or cardiologist.
Turning 40 is the ideal time to establish your health baseline. Dr George Xynopoulos explains which blood tests matter most — from cholesterol and thyroid to diabetes, vitamin D, and hormones — and what the NHS Health Check misses.
A private health check is more than a blood test — it is a structured clinical assessment designed to identify silent risk factors. Dr George Xynopoulos explains what is included, who benefits most, and how to choose the right package.
Thyroid disorders affect more than 10% of adults and are among the most commonly missed diagnoses. Dr George Xynopoulos explains what a thyroid function test measures, how to interpret TSH, T4, and T3 results, and what to do if something is abnormal.
Iron deficiency affects almost 1 in 3 UK women of reproductive age — and most don't know it. Dr George Xynopoulos explains the symptoms, the blood tests that confirm the diagnosis, and why iron deficiency without anaemia matters just as much.
Vitamin D deficiency affects 20–40% of UK adults and is one of the most common findings on a private blood test. Dr George Xynopoulos explains the symptoms, the NICE thresholds, and how to correct deficiency effectively.
The HbA1c test is the gold standard for diagnosing diabetes and prediabetes. Dr George Xynopoulos explains what the test measures, how to interpret your result, the NICE thresholds, and what to do if your result is abnormal.
Endometriosis affects 1 in 10 women of reproductive age — yet the average diagnostic delay is nearly 7 years. Dr George Xynopoulos explains the symptoms, how diagnosis is made with pelvic ultrasound, and every treatment option available.
Dr George Xynopoulos outlines the red-flag symptoms that warrant prompt GP assessment — from unexplained weight loss and persistent fatigue to blood in urine and new chest pain.
An abdominal ultrasound examines the liver, gallbladder, kidneys, spleen, and aorta. Dr George Xynopoulos explains what the scan involves, what conditions it detects, and how to prepare.
Abdominal pain is one of the most common reasons patients seek medical attention. Dr George Xynopoulos explains the most common causes, red-flag symptoms, and when an ultrasound or blood test is needed.
Musculoskeletal ultrasound provides real-time imaging of tendons, muscles, ligaments, and joints. Dr George Xynopoulos explains the conditions it diagnoses and what to expect during the scan.
Vascular ultrasound uses Doppler technology to assess blood flow in arteries and veins. Dr George Xynopoulos explains the conditions it diagnoses — from DVT to carotid artery disease.
Deep vein thrombosis affects approximately 1 in 1,000 people annually. Dr George Xynopoulos explains the symptoms, how DVT is diagnosed with Doppler ultrasound, and treatment options.
A thyroid ultrasound provides detailed imaging of the thyroid gland. Dr George Xynopoulos explains what conditions it detects — from nodules to thyroiditis — and how it complements thyroid blood tests.
Breast ultrasound is the first-line imaging investigation for women under 40 with a breast lump. Dr George Xynopoulos explains what the scan involves, what it detects, and when it is used alongside mammography.
A private smear test at Victoria Medical provides faster access to HPV testing and cytology. Dr George Xynopoulos explains what the test involves, how to prepare, and what your results mean.
Preparation for an ultrasound scan depends on the type of scan. Dr George Xynopoulos explains exactly how to prepare for abdominal, pelvic, vascular, MSK, and thyroid ultrasound scans.
Polycystic ovary syndrome affects 8–13% of women of reproductive age. Dr George Xynopoulos explains the symptoms, how PCOS is diagnosed, and the evidence-based treatment options available.
A comprehensive private STI screen covers chlamydia, gonorrhoea, syphilis, HIV, herpes, hepatitis B and C, and trichomonas. Dr George Xynopoulos explains what each test involves and what to do if a result is positive.
After menopause, a woman's cardiovascular risk rises sharply. Dr George Xynopoulos explains how oestrogen protects the heart, what happens at menopause, and how HRT and lifestyle changes can reduce risk.
IV vitamin therapy delivers micronutrients directly into the bloodstream. Dr George Xynopoulos explains the available drips — Myers' Cocktail, high-dose Vitamin C, glutathione, NAD+ — and who benefits most.
Many serious conditions cause no symptoms until significant damage has occurred. Dr George Xynopoulos explains what a private health check includes and what it can find.
With over 7.6 million people on NHS waiting lists, private healthcare is no longer a luxury. Dr George Xynopoulos explains how Victoria Medical provides same-day access to GPs, specialists, scans, and blood tests.
A private fertility assessment includes AMH, FSH, LH, progesterone, thyroid function, prolactin, and a pelvic ultrasound with antral follicle count. Dr George Xynopoulos explains what each test shows.
NAD+ is central to cellular energy metabolism, but what does the human evidence really show about IV therapy? Dr George Xynopoulos separates established science from claims that remain unproven.
B12 deficiency affects up to 6% of adults under 60 and up to 20% of those over 60. Dr Xynopoulos explains the symptoms, how we test, and treatment options.
From Myers' Cocktail to NAD+ and glutathione — Dr Xynopoulos compares the most popular IV vitamin infusions, their evidence base, and who benefits most.
Nervous about your first private GP consultation? Dr Xynopoulos explains what happens, how to prepare, and what makes private primary care different.
Cardiovascular screening, diabetes risk, prostate health, liver and kidney function — Dr Xynopoulos explains what a comprehensive well-man health check includes.
Cervical screening, hormonal assessment, cardiovascular risk, and pelvic imaging — a comprehensive screen designed for women at every life stage.
An evidence-based guide to the annual health tests every woman should consider — tailored by age, risk factors, and life stage.
Dr Xynopoulos explains menopause symptoms, how perimenopause is diagnosed, and private treatment options including HRT, testosterone, and ongoing monitoring.
Blood test reports can feel overwhelming. Dr Xynopoulos explains the most common markers, what reference ranges mean, and when an abnormal result requires action.
Not sure which blood tests you need? Dr Xynopoulos explains which panels to request based on your symptoms, age, and personal risk factors.
An echocardiogram is painless and non-invasive. Dr Xynopoulos explains exactly what to expect before, during, and after your heart scan appointment.
Testicular cancer is the most common cancer in men aged 15–49, yet has a 95%+ cure rate when caught early. Dr Xynopoulos explains when a scrotal ultrasound is recommended.
Kidney ultrasound is the first-line imaging for suspected renal disease, stones, or obstruction. Dr Xynopoulos explains when you need one and what it shows.

Dr George Xynopoulos
MD · MRCP · FACC · FRSM · Founder, Victoria Medical
Dr Xynopoulos is a Consultant Cardiologist with over 25 years of clinical experience. He founded Victoria Medical (Medical Diagnosis Ltd) on 23 April 2006 to provide rapid-access, consultant-led private diagnostics in central London. All clinical articles on this site are written by him or reviewed under his clinical governance.
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