Related Experiment Video
Updated: May 24, 2026
10:12
A Sensitive and Specific Quantitation Method for Determination of Serum Cardiac Myosin Binding Protein-C by Electrochemiluminescence Immunoassay
Published on: August 8, 2013
[Cardiac biomarkers in the critically ill]
1Medizinische Klinik I, Klinik für Kardiologie, Angiologie, Pneumologie und Internistische Intensivmedizin, Universitätsklinikum Aachen, Pauwelsstr. 30, 52074, Aachen, Deutschland. sreith@ukaachen.de
Medizinische Klinik, Intensivmedizin Und Notfallmedizin
|February 22, 2012
Summary
Cardiac biomarkers aid intensive care, but common ones like troponins lack diagnostic clarity. Promising new biomarkers may offer future diagnostic and prognostic value in critically ill patients.
Area of Science:
- Cardiology
- Intensive Care Medicine
- Biomarker Research
Context:
- Cardiac biomarkers are valuable tools in intensive care.
- Existing biomarkers like natriuretic peptides and cardiac troponins have proven prognostic value.
- Their diagnostic utility in specific diseases remains limited due to a lack of specificity.
Purpose:
- To review the current role and future potential of cardiac biomarkers in intensive care.
- To discuss the diagnostic and prognostic capabilities of established and emerging biomarkers.
- To explore the concept of a multimarker strategy for critically ill patients.
Summary:
- Common cardiac biomarkers, including natriuretic peptides and cardiac troponins, offer proven prognostic information in intensive care but have ambiguous diagnostic properties.
- Newer biomarkers show promise for enhancing diagnostic accuracy and patient management.
- A future multimarker strategy may improve outcomes for critically ill patients, but requires further validation.
Impact:
- Highlights the limitations of current cardiac biomarkers in intensive care diagnostics.
- Emphasizes the proven prognostic value of established biomarkers.
- Suggests a future direction for cardiac biomarker research and application in critical care settings.
- Underscores the need for further evaluation of novel biomarkers for a potential multimarker approach.
Related Concept Videos
01:20Blood 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...
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...
01:19Blood 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...
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
01:30Acute 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...
01:30Cardiomyopathy II: Dilated Cardiomyopathy
Dilated cardiomyopathy, or DCM, is a progressive myocardial disorder characterized by ventricular chamber dilation and contractile dysfunction.EtiologyVarious factors can cause DCM, including hypertension and heavy alcohol intake, which contribute to the weakening and enlargement of the heart muscle. Viral infections, such as Coxsackievirus B, adenoviruses, and influenza, can lead to DCM by causing inflammation and damage to heart tissue. Certain chemotherapeutic agents, including daunorubicin,...
01:30Dysrhythmias 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...
01:29Heart Failure II: Pathophysiology
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...