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Related Concept Videos

Coronary Circulation01:21

Coronary Circulation

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The heart, an organ critical to survival, gets nourishment not from the blood it pumps but from a separate circulation system known as coronary circulation. This is the shortest circulation in the body and is responsible for supplying the heart with the nutrients it needs to function effectively.
Coronary circulation begins at the base of the aorta, where two main arteries arise—the left and right coronary arteries. These arteries encircle the heart in the coronary sulcus and supply the...
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Acute Coronary Syndrome III: Diagnostic studies01:30

Acute Coronary Syndrome III: Diagnostic studies

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Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...
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Coronary Artery Disease II: Pathophysiology01:26

Coronary Artery Disease II: Pathophysiology

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Coronary Artery Disease (CAD) originates from a series of events that impair the function of coronary arteries, the blood vessels responsible for delivering oxygen-rich blood to the heart muscle. The pathophysiology of CAD is closely linked to atherosclerosis, a chronic inflammatory and lipid-driven condition affecting the vascular endothelium.1. Endothelial DamageThe process begins with damage to the vascular endothelium, which serves as a protective barrier between the blood and the vessel...
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Coronary Artery Disease III: Clinical Manifestations01:30

Coronary Artery Disease III: Clinical Manifestations

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Coronary Artery Disease (CAD) is a primary health risk worldwide, leading to significant morbidity and mortality. The condition arises from the buildup of atherosclerotic plaques within the coronary arteries, resulting in diminished blood supply to the heart muscle.The clinical manifestations of CAD vary widely, from asymptomatic stages to severe, life-threatening conditions. Understanding these manifestations is crucial for early diagnosis and effective management.Angina Pectoris: The Warning...
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Coronary Artery Disease I: Introduction01:30

Coronary Artery Disease I: Introduction

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Coronary Artery Disease (CAD): An Overview with Scientific InsightsCoronary Artery Disease (CAD), often referred to as C-A-D, is a prevalent blood vessel disorder classified under the broader category of atherosclerosis. Atherosclerosis is a pathological process characterized by the hardening and narrowing of arteries due to the accumulation of atherosclerotic plaques. These plaques are composed of cholesterol, fatty substances, inflammatory cells, calcium, and fibrin, reducing blood flow to...
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Acute Coronary SyndromeI: Introduction01:30

Acute Coronary SyndromeI: Introduction

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Acute Coronary Syndrome (ACS) encompasses a spectrum of heart conditions caused by sudden obstruction of coronary arteries, typically resulting from the rupture of an atherosclerotic plaque and subsequent thrombus (blood clot) formation. This obstruction can lead to partial or complete blockage of blood flow, causing varying degrees of myocardial ischemia or infarction.ACS includes the following clinical entities:Unstable Angina (UA)Non-ST-Elevation Myocardial Infarction (NSTEMI)ST-Elevation...
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Related Experiment Video

Updated: Jun 9, 2025

Direct Re-implantation of Left Coronary Artery into the Aorta in Adults with Anomalous Origin of Left Coronary Artery from the Pulmonary Artery ALCAPA
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Direct Re-implantation of Left Coronary Artery into the Aorta in Adults with Anomalous Origin of Left Coronary Artery from the Pulmonary Artery ALCAPA

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Intercoronary communication: a rare coronary anomaly.

Seenu Prasanth Adimoulame1, Anand Palakshachar2, Rangaraj Ramalingam2

  • 1All India Institute of Medical Sciences, Nagpur, India. seenuprasanth.a@gmail.com.

The Egyptian Heart Journal : (EHJ) : Official Bulletin of the Egyptian Society of Cardiology
|October 21, 2024
PubMed
Summary
This summary is machine-generated.

Intercoronary communication (ICC) is a rare coronary artery anomaly. Recognizing ICC and differentiating it from collaterals is crucial for accurate diagnosis and management of coronary artery disease.

Keywords:
CollateralsCoronary arcadeCoronary artery anomalyIntercoronary communication

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Area of Science:

  • Cardiology
  • Vascular Biology
  • Medical Imaging

Background:

  • Intercoronary communication (ICC), also known as coronary arcade or cascade, is an exceptionally rare coronary artery anomaly with an incidence of 0.002%.
  • This anomaly's clinical significance necessitates careful recognition and understanding.

Purpose of the Study:

  • To report a case of intercoronary communication.
  • To highlight the importance of differentiating ICC from coronary collaterals.

Main Methods:

  • A case of a 56-year-old female presenting with acute chest pain and ST-segment depression was investigated.
  • Coronary angiography revealed significant stenosis in the obtuse marginal artery and an abnormal channel consistent with ICC between the right posterolateral branch and distal left circumflex artery.
  • CT-coronary angiography confirmed the ICC diagnosis.

Main Results:

  • The patient was diagnosed with non-ST-elevation myocardial infarction and treated with a drug-eluting stent for the obtuse marginal artery stenosis.
  • The intercoronary communication was identified but not actively intervened upon.
  • The patient remained asymptomatic during a year of follow-up.

Conclusions:

  • Intercoronary communications (ICCs) are distinct from coronary collaterals, characterized by single, straight channels with well-defined muscular layers, often without obstructive disease.
  • Coronary collaterals are typically multiple, tortuous, <1mm in diameter, and develop secondary to obstructive coronary artery disease.
  • Accurate differentiation is vital for diagnosis, as ICCs can aid myocardial perfusion or potentially cause coronary steal.