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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
Shortness of Breath and the Heart: When Breathlessness Is a Cardiac Signal
Symptoms Shortness of Breath and the Heart: When Breathlessness Is a Cardiac Signal Breathlessness is easy to explain away, but it is also one of the most important cardiac symptoms. Here is when breathlessness warrants a cardiac assessment, and what to do next.
Prof. Peter Barlis · Feb 4, 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
T Wave Inversion on Your ECG: What It Actually Means
Tests & Procedures T Wave Inversion on Your ECG: What It Actually Means T wave inversion describes a small wave on the tracing pointing down instead of up. In several of the heart's twelve viewpoints that is completely normal. What matters is which ones, and whether it is new.
Prof. Peter Barlis · Aug 27, 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
Infective Endocarditis: The Fever That Needs Explaining
Conditions Infective Endocarditis: The Fever That Needs Explaining Infective endocarditis is an infection of the heart's inner lining, usually settling on a valve. It is uncommon, but the early signs are vague enough that it is often missed. Knowing who is at risk is most of the answer.
A/Prof. Nagesh Anavekar · Aug 8, 2026
Complete Heart Block: What It Means and How It’s Treated
Conditions Complete Heart Block: What It Means and How It’s Treated In complete heart block the top and bottom of the heart stop communicating, and a backup rhythm takes over. It is serious, and it is also among the most fixable problems in cardiology.
Prof. Peter Barlis · Aug 5, 2026
Clot-Busting Drugs: When a Heart Attack Is Hours From Help
Conditions Clot-Busting Drugs: When a Heart Attack Is Hours From Help Most towns do not have a catheter laboratory. When someone has a heart attack there, a clot-dissolving drug goes in first and the journey comes second. Here is why that order is the right one.
Prof. Peter Barlis · Aug 1, 2026
Pericarditis: Chest Pain That’s Worse Lying Down
Conditions Pericarditis: Chest Pain That’s Worse Lying Down Pericarditis is inflammation of the sac around the heart. The pain is sharp, worse lying flat, better sitting forward, and alarming enough to mimic a heart attack. Here is what causes it and what the evidence supports.
Prof. Peter Barlis · Jul 31, 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

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.