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Obstructive Sleep Apnoea and the Heart: Why It’s So Often Missed
Conditions Obstructive Sleep Apnoea and the Heart: Why It’s So Often Missed Sleep apnoea is one of the most under-diagnosed conditions, and one of the most treatable. Here is what to look for and why it matters for your heart.
Prof. Peter Barlis · Mar 6, 2026
Why You Need More Pillows to Sleep: Breathlessness Lying Flat
Symptoms Why You Need More Pillows to Sleep: Breathlessness Lying Flat Needing extra pillows to sleep comfortably is not a trivial habit, it is one of cardiology's most specific symptoms of elevated cardiac filling pressure. Here is what it means.
Kathy Marinias RN · Dec 10, 2025
Morning Headaches and Your Heart: The Sleep Apnoea Connection
Symptoms Morning Headaches and Your Heart: The Sleep Apnoea Connection Waking with a dull headache that clears within an hour is a recognised symptom of sleep apnoea, a condition that is dramatically under-diagnosed and carries significant cardiovascular consequences.
Prof. Peter Barlis · Nov 18, 2025
Recovering After a Coronary Angiogram: What to Expect
Tests & Procedures Recovering After a Coronary Angiogram: What to Expect Most people are home within hours of a coronary angiogram, but knowing what to expect from the TR band, the results conversation, and the days after makes a real difference.
Prof. Peter Barlis · Sep 3, 2026
Second-Degree Heart Block: What the Finding Means
Conditions Second-Degree Heart Block: What the Finding Means Second-degree AV block means most signals reach the lower chambers of the heart and the occasional one does not. Some causes are entirely benign. Here is what the finding describes and what usually happens next.
Prof. Peter Barlis · Aug 24, 2026
Cholesterol After Menopause: What Changes and When
Conditions Cholesterol After Menopause: What Changes and When Cholesterol is usually described as drifting up slowly with age. For women through menopause that is wrong in an important way, and one number on the panel can move in the wrong direction while appearing not to move at all.
Kathy Marinias RN · Aug 22, 2026
When Blood Pressure Won’t Come Down: What Happens Next
Conditions When Blood Pressure Won’t Come Down: What Happens Next Blood pressure that stays high despite three or more medications has a name, and in most cases an explanation. What clinicians check first, why spironolactone is usually the fourth medicine added, and how narrow the role of renal denervation really is.
Prof. Peter Barlis · Jul 29, 2026
Beta-Blockers: Uses, Side Effects, and Precautions
Medications Beta-Blockers: Uses, Side Effects, and Precautions Beta-blockers calm the heart by blocking adrenaline, and they treat far more than blood pressure. Here is what yours is doing, the side effects worth knowing about including vivid dreams, and why you must never stop one suddenly.
Prof. Peter Barlis · Jul 28, 2026
Demystifying Heart Failure: HFrEF, HFpEF and HFimpEF Explained
Conditions Demystifying Heart Failure: HFrEF, HFpEF and HFimpEF Explained Being told you have heart failure with reduced or preserved ejection fraction can be confusing. Here is what ejection fraction means and why the distinction matters for treatment.
Prof. Peter Barlis · Jul 9, 2026
How to Measure Your Blood Pressure at Home
Conditions How to Measure Your Blood Pressure at Home High blood pressure rarely causes symptoms, which is why measuring it regularly matters. This guide covers how to choose the right monitor and how to get accurate readings at home.
Kathy Marinias RN · Jul 5, 2026
Pain in Your Calves When Walking: Could It Be Your Arteries?
Symptoms Pain in Your Calves When Walking: Could It Be Your Arteries? Calf pain is something almost everyone gets, and the explanation is usually reassuringly ordinary: a cramp, some soreness, or a minor strain. Here is how to tell the common causes apart from the one pattern worth knowing about.
Prof. Peter Barlis · Jun 9, 2026
White Coat Hypertension: When Your BP Spikes at the Doctor’s
Conditions White Coat Hypertension: When Your BP Spikes at the Doctor’s Your blood pressure reads high at every clinic visit but looks fine at home. White coat hypertension is one of medicine's most common and most misunderstood findings, and getting it right matters more than you might think.
Prof. Peter Barlis · May 29, 2026

Second-Degree Heart Block: What the Finding Means

second degree av heart block

Second-degree AV block means most signals reach the lower chambers of the heart and the occasional one does not. Some causes are entirely benign. Here is what the finding describes and what usually happens next.

Cholesterol After Menopause: What Changes and When

menopause cholesterol

Cholesterol is usually described as drifting up slowly with age. For women through menopause that is wrong in an important way, and one number on the panel can move in the wrong direction while appearing not to move at all.

When Blood Pressure Won’t Come Down: What Happens Next

Managing resistant hypertension — blood pressure monitoring and medication options explained by Prof. Peter Barlis

Blood pressure that stays high despite three or more medications has a name, and in most cases an explanation. What clinicians check first, why spironolactone is usually the fourth medicine added, and how narrow the role of renal denervation really is.

Beta-Blockers: Uses, Side Effects, and Precautions

Beta-blockers

Beta-blockers calm the heart by blocking adrenaline, and they treat far more than blood pressure. Here is what yours is doing, the side effects worth knowing about including vivid dreams, and why you must never stop one suddenly.