Stable angina pectoris: 1. Clinical patterns

Mayo Clinic Proceedings
|February 1, 1990
PubMed

Insights

Angina pectoris symptoms indicate insufficient oxygen supply to the heart muscle. Prognosis depends on coronary artery disease severity, heart function, and exercise test results for diagnosis.

Area of Science:

  • Cardiology
  • Internal Medicine

Background:

  • Angina pectoris arises from transient myocardial oxygen supply-demand imbalance.
  • This imbalance results from reduced coronary blood flow, increased oxygen demand, or both.
  • Clinical assessment is key to differentiating angina from other conditions.

Purpose of the Study:

  • To outline the pathophysiology of angina pectoris.
  • To identify factors influencing patient prognosis.
  • To emphasize diagnostic criteria and differential diagnosis.

Main Methods:

  • Clinical assessment of angina characteristics.
  • Evaluation of coronary artery disease extent and severity.
  • Assessment of left ventricular systolic function.
  • Exercise testing to determine ischemia severity.

Main Results:

  • Prognosis is linked to coronary artery disease severity and left ventricular function.
  • Exercise testing reveals the extent of myocardial ischemia.
  • Characteristic clinical patterns aid in angina diagnosis.

Conclusions:

  • Angina pectoris signifies inadequate myocardial oxygenation.
  • Prognosis is multifactorial, involving coronary disease, cardiac function, and ischemia.
  • Accurate diagnosis relies on distinguishing angina from other conditions through clinical evaluation.

Related Concept Videos

Coronary Artery Disease III: Clinical Manifestations01:30

Coronary Artery Disease III: Clinical Manifestations

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...
Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations01:19

Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations

The pathophysiology of Acute Coronary Syndrome [ACD] involves several key processes:The main underlying cause of ACD is atherosclerosis, a chronic inflammatory disease characterized by the buildup of lipid-laden plaques within the coronary arteries.As the atherosclerotic plaque grows in the coronary artery, it may become unstable due to the formation of a lipid-rich core and a thin fibrous cap. Inflammatory cells within the plaque, such as macrophages, secrete enzymes that degrade the...
Angina I: Introduction01:30

Angina I: Introduction

Definition and Symptoms: Angina (angina pectoris) is chest pain or discomfort caused by myocardial ischemia, which occurs when the heart muscle receives insufficient oxygen-rich blood. It typically manifests as pressing, squeezing, or crushing sensations in the chest and may radiate to the shoulders, arms, neck, jaw, or back.Primary Cause: In a healthy state, the coronary arteries can dilate (widen) to increase blood flow and meet the increased oxygen demand during physical activity or...
Angina II: Classification01:27

Angina II: Classification

Angina, also known as angina pectoris, is a chest pain resulting from diminished blood flow to the heart muscle and is often a symptom of coronary artery disease. Angina presents several variants with distinctive attributes, etiologies, and therapeutic approaches. The main types of angina include stable, unstable, variant (Prinzmetal's), microvascular, intractable, and silent ischemia.Stable angina is caused by atherosclerosis, which leads to the formation of plaques that narrow the coronary...
Angina III: Clinical Manifestations and Assessment01:29

Angina III: Clinical Manifestations and Assessment

Angina manifests as chest pain, tightness, or squeezing discomfort typically located behind the breastbone. It can radiate to the neck, jaw, shoulders, and inner aspects of the upper arms, most commonly the left arm. Patients may experience shortness of breath, fatigue, profuse sweating, dizziness, indigestion, heartburn, palpitations, anxiety, and vomiting as accompanying symptoms. This pain often lasts a few minutes and is triggered by physical exertion, emotional stress, heavy meals, or cold...
Angina V: Nursing Management01:20

Angina V: Nursing Management

Angina, a symptom of myocardial ischemia, requires a structured nursing management approach to ensure effective care and prevent complications like myocardial infarction. Comprehensive nursing care involves assessing, diagnosing, planning, implementing interventions, and evaluating outcomes, all tailored to the individual patient's needs.Patient AssessmentNursing assessment begins with a detailed subjective evaluation of symptoms, which typically include chest pain or pressure radiating to the...