Cardiology Insights
Articles on heart disease, prevention, imaging, and clinical decision-making — written by Dr Reza Moazzeni MD FRACP, cardiologist in Sydney.
These posts share practical lessons from real clinical practice, recent research, and everyday questions patients ask.
ACC / AHA 2026 Clinical Practice Guideline ACC/AHA 2026 Dyslipidemia Guidelines A practical clinician summary of risk assessment, LDL-C targets,
Triglycerides are a type of fat found in the blood. When levels are elevated, they are often a sign of
Introduction Table of Contents stress echocardiogram—also called a stress echo or exercise stress echocardiography—combines a standard transthoracic echocardiogram with exercise
What is an Echocardiogram Echocardiogram is a non-invasive and painless test that uses ultrasound to assess the heart’s structure and
Lipoprotein(a) [Lp(a)]: comprehensive review and 2026 update Lipoprotein(a), or Lp(a), is a genetically determined LDL-like particle that increases the risk
Introduction Alcohol and heart health: a topic that’s been debated for years. You’ve probably heard conflicting advice – a glass
Introduction Lipedema, often mistaken for obesity, is a unique medical condition that predominantly affects women. Lipedema is an abnormal and
Hypercholesterolemia or high blood cholesterol level is common in medical practice, but not all cases are equal. Some individuals may
Inclisiran is another therapeutic agent that exerts its effect by interfering with the PCSK9 molecule, not by inhibiting its action
Introduction PCSK9, or Proprotein Convertase Subtilisin/Kexin type 9, is a molecule that has gained a significant role in cardiovascular health
https://youtu.be/Q70VY2m3bz8 Video: Bempedoic Acid mechanism of action Bempedoic acid is a novel treatment against hypercholesterolemia. It offers hope to patients
Leukocytoclastic vasculitis (LCV), a severe inflammatory condition affecting the small blood vessels, can arise from various causes, including medications. One
Table of Contents What is Familial Hypercholesterolemia or FH? Familial hypercholesterolemia (FH) is a genetic disorder that causes high levels
Acute vs Chronic Unilateral Leg Swelling Categorizing the swelling process as acute or chronic is an essential first step in
Secondary mitral regurgitation is common in patients with heart failure and left ventricular systolic dysfunction. In many of these patients,
What is cardiac asthma or cardiac cough? For centuries, we’ve understood that heart diseases can lead to symptoms like shortness
Introduction The connection between weight loss and improved health is well-documented, with years of comprehensive research and numerous trials reinforcing
What are the main causes of swollen legs? https://youtu.be/kw71R1648lg Video: This video highlights venous hypertension as a top cause of
Table of Contents Introduction — Prevention That Works Every year, thousands of people have heart attacks that could have been
What is Nocebo and how it is different from Placebo? https://youtu.be/s6yVAOjFurE To better understand the difference between Placebo vs Nocebo,
Updated 2026 Coronary artery calcium, or CAC score, is one of the most useful tools for estimating the future risk
CIED-related tricuspid regurgitation (TR), particularly pacemaker-induced TR, is an under-recognised but important cause of right heart failure (RHF). While heart
Can Amiodarone cause nephropathy (nephrotoxicity)? Amiodarone, a medication widely recognized for its numerous side effects, can lead to severe and
Table of Contents What is Atrial Fibrillation (AF or AFib)? | Video https://youtu.be/qtXGQj5xvgg Atrial Fibrillation — AF or AFib for
ACC / AHA 2026 Clinical Practice Guideline ACC/AHA 2026 Dyslipidemia Guidelines A practical clinician summary of risk assessment, LDL-C targets,
Triglycerides are a type of fat found in the blood. When levels are elevated, they are often a sign of
Introduction Table of Contents stress echocardiogram—also called a stress echo or exercise stress echocardiography—combines a standard transthoracic echocardiogram with exercise
What is an Echocardiogram Echocardiogram is a non-invasive and painless test that uses ultrasound to assess the heart’s structure and
Lipoprotein(a) [Lp(a)]: comprehensive review and 2026 update Lipoprotein(a), or Lp(a), is a genetically determined LDL-like particle that increases the risk
Introduction Alcohol and heart health: a topic that’s been debated for years. You’ve probably heard conflicting advice – a glass
Introduction Lipedema, often mistaken for obesity, is a unique medical condition that predominantly affects women. Lipedema is an abnormal and
Hypercholesterolemia or high blood cholesterol level is common in medical practice, but not all cases are equal. Some individuals may
Inclisiran is another therapeutic agent that exerts its effect by interfering with the PCSK9 molecule, not by inhibiting its action
Introduction PCSK9, or Proprotein Convertase Subtilisin/Kexin type 9, is a molecule that has gained a significant role in cardiovascular health
https://youtu.be/Q70VY2m3bz8 Video: Bempedoic Acid mechanism of action Bempedoic acid is a novel treatment against hypercholesterolemia. It offers hope to patients
Leukocytoclastic vasculitis (LCV), a severe inflammatory condition affecting the small blood vessels, can arise from various causes, including medications. One
Table of Contents What is Familial Hypercholesterolemia or FH? Familial hypercholesterolemia (FH) is a genetic disorder that causes high levels
Acute vs Chronic Unilateral Leg Swelling Categorizing the swelling process as acute or chronic is an essential first step in
Secondary mitral regurgitation is common in patients with heart failure and left ventricular systolic dysfunction. In many of these patients,
What is cardiac asthma or cardiac cough? For centuries, we’ve understood that heart diseases can lead to symptoms like shortness
Introduction The connection between weight loss and improved health is well-documented, with years of comprehensive research and numerous trials reinforcing
What are the main causes of swollen legs? https://youtu.be/kw71R1648lg Video: This video highlights venous hypertension as a top cause of
Table of Contents Introduction — Prevention That Works Every year, thousands of people have heart attacks that could have been
What is Nocebo and how it is different from Placebo? https://youtu.be/s6yVAOjFurE To better understand the difference between Placebo vs Nocebo,
Updated 2026 Coronary artery calcium, or CAC score, is one of the most useful tools for estimating the future risk
CIED-related tricuspid regurgitation (TR), particularly pacemaker-induced TR, is an under-recognised but important cause of right heart failure (RHF). While heart
Can Amiodarone cause nephropathy (nephrotoxicity)? Amiodarone, a medication widely recognized for its numerous side effects, can lead to severe and
Table of Contents What is Atrial Fibrillation (AF or AFib)? | Video https://youtu.be/qtXGQj5xvgg Atrial Fibrillation — AF or AFib for
