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Related Concept Videos

Acute Coronary Syndrome III: Diagnostic Studies01:30

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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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Measurement of Myocardial Lactate Production for Diagnosis of Coronary Microvascular Spasm
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[Lactate and acute mesenteric ischemia: diagnostic value].

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Diagnosing acute mesenteric ischemia requires advanced imaging. Blood lactate tests are insufficient for confirming or ruling out this critical condition, even with high clinical suspicion.

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Area of Science:

  • Gastroenterology
  • Vascular Surgery
  • Emergency Medicine

Background:

  • Acute mesenteric ischemia (AMI) is a rare surgical emergency with high mortality.
  • Diagnosis is often delayed due to non-specific symptoms like severe abdominal pain disproportionate to physical findings.
  • Current diagnostic pathways rely heavily on imaging and surgical exploration.

Purpose of the Study:

  • To evaluate the diagnostic utility of biological markers, specifically L-lactate, in acute mesenteric ischemia.
  • To assess if L-lactate levels can reliably confirm or exclude AMI.
  • To compare the diagnostic performance of L-lactate with established imaging techniques.

Main Methods:

  • Review of existing literature and diagnostic guidelines for acute mesenteric ischemia.
  • Analysis of the sensitivity and specificity of L-lactate measurements in suspected AMI cases.
  • Comparison of L-lactate's diagnostic accuracy against CT-angiography and surgical findings.

Main Results:

  • No single biological marker demonstrates sufficient sensitivity and specificity for diagnosing AMI.
  • L-lactate measurement, while accessible, lacks the diagnostic performance to replace CT-angiography.
  • The clinical utility of L-lactate is insufficient to rule out AMI, regardless of pre-test probability.

Conclusions:

  • Current biological markers, including L-lactate, are inadequate for definitive AMI diagnosis.
  • CT-angiography remains the gold standard for confirming acute mesenteric ischemia.
  • Clinical suspicion must be followed by advanced imaging rather than relying solely on biochemical markers.