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Related Concept Videos

Exercise Stress Test01:26

Exercise Stress Test

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Introduction
Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
Definition
An exercise stress test measures the heart's response to exertion using a treadmill or stationary bicycle. Chest electrodes record the heart's electrical activity through an ECG, and blood pressure is monitored regularly.
Purposes
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Heart Failure II: Pathophysiology01:29

Heart Failure II: Pathophysiology

138
Systolic Heart Failure and Compensatory MechanismsSystolic heart failure (also termed HFrEF, Heart Failure with Reduced Ejection Fraction) is the most prevalent type of heart filure. It results in a decreased volume of blood being pumped from the ventricle. The aortic arch and carotid sinuses have baroreceptors that detect reduced blood pressure, triggering the sympathetic nervous system (SNS) to release epinephrine and norepinephrine. Initially, this response aims to boost heart rate and...
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Heart Failure IV: Classification and Diagnostic Evaluation01:30

Heart Failure IV: Classification and Diagnostic Evaluation

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Heart failure can be classified in various ways, with the most common classifications based on physical activity limitations, disease progression, severity, and treatment strategies.The Functional Classification of Heart Failure divides patients into four categories based on physical activity limitation due to symptom burden.Class I: Patients in this class have cardiac disease but no physical activity limitations. Ordinary activities like walking, climbing stairs, or routine tasks do not cause...
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Pathophysiology of Heart Failure01:17

Pathophysiology of Heart Failure

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Heart failure (HF) is a progressive syndrome involving ventricles that leads to inadequate cardiac output. It can be classified based on location and output or ejection fraction. Ejection fraction (EF) is an essential measurement in the diagnosis and surveillance of HF. Reduced EF corresponds to systolic heart failure (HFrEF). However, HF with preserved ejection fraction (HFpEF) is becoming increasingly prevalent. Also known as diastolic HF, this form of HF is related to aging. The...
2.1K
Heart Failure V: Medical Management01:30

Heart Failure V: Medical Management

61
Medical Management of Acute Decompensated Heart Failure (ADHF)The primary goals of therapy for patients hospitalized with acute decompensated heart failure (ADHF) include:Relieving symptomsOptimizing volume statusSupporting oxygenation and ventilationMaintaining cardiac output (CO) and end-organ perfusionIdentifying and addressing the cause of ADHFPreventing complicationsProviding patient education on factors precipitating HF exacerbationPlanning for dischargeOngoing monitoring and assessment...
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Acute Coronary Syndrome III: Diagnostic Studies01:30

Acute Coronary Syndrome III: Diagnostic Studies

62
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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Related Experiment Video

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Stress Testing in Heart Failure with Preserved Ejection Fraction.

Chi Young Shim1

  • 1Division of Cardiology, Severance Cardiovascular Hospital, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea.

Heart Failure Clinics
|May 30, 2021
PubMed
Summary

Diastolic stress echocardiography is key for diagnosing heart failure with preserved ejection fraction (HFpEF). This noninvasive test helps determine prognosis and guides treatment when resting echocardiography is inconclusive.

Keywords:
EchocardiographyHeart failurePreserved ejection fractionStress

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Area of Science:

  • Cardiology
  • Cardiovascular Imaging
  • Heart Failure Research

Background:

  • Exertional dyspnea is a common symptom of heart failure with preserved ejection fraction (HFpEF).
  • Dyspnea is not specific to HFpEF, necessitating accurate diagnostic tools.
  • Early diagnosis and prognosis are crucial for managing HFpEF before advanced stages.

Purpose of the Study:

  • To evaluate the diagnostic and prognostic utility of noninvasive supine bicycle diastolic stress echocardiography for HFpEF.
  • To highlight the role of stress testing in unclear HFpEF diagnoses.

Main Methods:

  • Utilized noninvasive supine bicycle diastolic stress echocardiography.
  • Compared findings with clinical presentation and resting echocardiography.

Main Results:

  • Noninvasive supine bicycle diastolic stress echocardiography demonstrates significant evidence for diagnosing HFpEF.
  • This method is effective in predicting the prognosis of patients with HFpEF.
  • Current guidelines recommend diastolic stress testing for ambiguous cases.

Conclusions:

  • Diastolic stress echocardiography is a valuable tool for HFpEF diagnosis and prognosis.
  • It is recommended when resting echocardiography results are inconclusive.
  • Stress testing aids in timely and accurate management of HFpEF.