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Assessment of the Cardiovascular System I: Subjective Data01:23

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A thorough health history and physical assessment are essential for identifying cardiovascular disease (CVD) symptoms and distinguishing them from other health issues.
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Ask the patient about their primary concern and thoroughly explore all reported symptoms.
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Cardiovascular magnetic resonance imaging, or CMRI, is a non-invasive diagnostic test that employs a magnetic field and radiofrequency waves to create precise images of the heart and arteries. It provides comprehensive information about cardiac anatomy, function, perfusion, and tissue characterization without ionizing radiation.IndicationsCMRI diagnoses various heart conditions, including tissue damage from heart attacks, ischemic heart disease, myocarditis, aortic issues (tears, aneurysms,...
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Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
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The key clinical manifestations of Rheumatic heart disease (RHD) include several distinct cardiac symptoms.Carditis, a hallmark of acute rheumatic fever, involves inflammation of the heart's endocardium, myocardium, and pericardium. Chronic RHD often results from recurrent episodes of carditis. Its symptoms include the following:Murmurs are caused by valvular damage, especially to the mitral and aortic valves. Mitral stenosis or regurgitation is common, with characteristic heart murmurs...
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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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Clinical manifestationsPeripheral Arterial Disease (PAD) manifests through a range of symptoms, from the characteristic intermittent claudication to atypical presentations and severe complications in advanced stages. Intermittent claudication, a hallmark symptom of PAD, presents as exercise-induced muscle pain that typically resolves within minutes of rest. This pain is reproducible and stems from inadequate blood flow, leading to the accumulation of lactic acid produced during anaerobic...
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Real-World Cardiovascular Research Using the German IQVIA Disease Analyzer Database: Methods, Evidence, and

Karel Kostev1,2, Marcel Konrad3, Mark Luedde4,5

  • 1Marburg University, University Hospital, 35043 Marburg, Germany.

Journal of Cardiovascular Development and Disease
|February 26, 2026
PubMed
Summary

The German IQVIA Disease Analyzer database provides valuable real-world evidence for cardiovascular research. It helps identify associations between risk factors, comorbidities, and outcomes in large patient populations.

Keywords:
cardiovascular diseasesdatabaseepidemiologyreal-world datareal-world evidence

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Area of Science:

  • Cardiology
  • Epidemiology
  • Real-world evidence research

Background:

  • Cardiovascular diseases (CVDs) are a leading global cause of death.
  • Real-world evidence (RWE) is crucial for complementing clinical trial data.
  • The German IQVIA Disease Analyzer (DA) database offers anonymized electronic medical records for cardiovascular research.

Purpose of the Study:

  • To review and synthesize evidence from 13 studies using the German DA database.
  • To assess the database's utility in exploring cardiovascular risk factors, comorbidities, and outcomes.
  • To highlight the strengths and limitations of the DA database in cardiovascular research.

Main Methods:

  • Selected 13 studies based on cardiovascular relevance, methodological rigor, and large sample size.
  • Focused on studies published between 2000-2025 utilizing the German IQVIA Disease Analyzer database.
  • Included research on atrial fibrillation, heart failure, cardiometabolic disease, and other cardiovascular areas.

Main Results:

  • The DA database consistently identifies reproducible associations between cardiometabolic risk factors, comorbidities, and cardiovascular outcomes.
  • Studies demonstrate the database's utility in quantifying disease burden and identifying research gaps.
  • The database supports hypothesis generation for future research in routine outpatient care.

Conclusions:

  • The German IQVIA Disease Analyzer database is a vital platform for real-world cardiovascular research.
  • It offers large sample sizes, long follow-up periods, and high external validity.
  • Limitations include potential coding inaccuracies and residual confounding, but its value for generating clinically meaningful associations is significant.