Review of biochemical markers of myocardial dysfunction

Ewa Moric-Janiszewska1

  • 1Katedra i Zakład Biochemii, Wydział Nauk Farmaceutycznych w Sosnowcu, Śląski Uniwersytet Medyczny, Katowice.

Postepy Biochemii
|January 8, 2026
PubMed

Insights

New heart disease biomarkers are needed for earlier detection of heart attack and heart failure. Current markers like cardiac troponins are useful, but improved diagnostic tools are essential for better patient outcomes.

Area of Science:

  • Cardiology
  • Biochemistry
  • Medical Diagnostics

Background:

  • Heart disease is a leading global cause of death, with heart attack and heart failure being major concerns.
  • There is a critical need for earlier diagnosis of cardiac events to improve patient outcomes.
  • Existing biomarkers like cardiac troponins and natriuretic peptides are vital but not ideal.

Purpose of the Study:

  • To review the current landscape of heart disease biomarkers.
  • To identify promising new biomarkers for diagnosing heart dysfunction.
  • To highlight the need for further research and analysis of novel diagnostic tools.

Main Methods:

  • Literature review of scientific publications on cardiac biomarkers.
  • Analysis of existing diagnostic tools and their limitations.
  • Evaluation of emerging biomarkers such as ST-2 and h-FABP proteins.

Main Results:

  • Cardiac troponins and natriuretic peptides are established biomarkers for heart attack and heart failure.
  • ST-2 and human fatty acid-binding protein (h-FABP) show potential as future diagnostic markers.
  • No single biomarker currently meets all ideal criteria for diagnosing heart dysfunction.

Conclusions:

  • The development of novel, highly specific, and reliable biomarkers is crucial for advancing cardiovascular diagnostics.
  • Further research and validation are necessary for promising new markers.
  • Improved diagnostic solutions have the potential to significantly impact global cardiology practice.

Related Concept Videos

Blood Studies for Cardiovascular System I: Cardiac Biomarkers01:20

Blood Studies for Cardiovascular System I: Cardiac Biomarkers

Cardiac biomarkers are enzymes, proteins, and hormones released into the blood when cardiac cells are injured. They are powerful tools for triaging.
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...
782
Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers01:19

Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers

Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
531
Acute Coronary Syndrome III: Diagnostic Studies01:30

Acute Coronary Syndrome III: Diagnostic Studies

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...
207
Myocarditis II: Clinical Features and Diagnostic Tests01:27

Myocarditis II: Clinical Features and Diagnostic Tests

Myocarditis is an inflammation of the heart muscle. The symptoms vary widely, encompassing asymptomatic presentations to severe, acute manifestations.Clinical PresentationAsymptomatic cases: In some instances, myocarditis may be asymptomatic, with the infection resolving without intervention. These cases often go undetected unless discovered incidentally through diagnostic imaging or tests conducted for other reasons.General Early Symptoms: Early symptoms of myocarditis are non-specific and can...
258
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...
347
Dysrhythmias V: Evaluating Dysrhythmias01:30

Dysrhythmias V: Evaluating Dysrhythmias

Dysrhythmias, also known as arrhythmias, are disturbances in the heart's rhythm that range from benign to life-threatening. A thorough evaluation is crucial for appropriate management and involves a comprehensive medical history, physical examination, and various diagnostic tests.Medical HistorySymptoms: Collect detailed information on palpitations, dizziness, syncope, chest pain, and fatigue. Note their onset, frequency, and triggers.Previous Cardiac Issues: Document any history of heart...
323