Table 1

Summarises the accuracy, the DISCERN scores (median and IQR), number of images, illustrations, tables and readability score of Wikipedia cardiovascular articles

TopicsNumber of pagesAccuracy
DISCERN Score
Median (IQR)*
Number of imagesNumber of illustrationsNumber of graphsNumber of tablesTotalReadability
Flesch-Kincaid Grade Level (Mean±SD)
Further reading/external links
Acute pericarditis528 (1)0000012.6±0.80 external links
Acute pulmonary oedema638 (0)1 CT
2 X-ray
000315.5±1.41 external link
Angina pectoris1229 (1)0000013.6±1.36 external links
Aortic aneurysm733 (2)1 MRI
2 CT reconstruction
000311.9±0.62 external links
Aortic dissection1341 (3)1 Chest X-ray
1 CT
1 Histopathological slide
2 Echocardiogram
2 MRI
5101312.2±2.01 external link
Aortic regurgitation831 (1)1 Histopathological slide110316.3±1.60 external links
Aortic stenosis1033 (3)1 Electron micrograph
1 Photograph
111516.4±6.13 external links
Arterial hypertension1938 (1)1 Photograph421814.1±0.81 external link
Atherosclerosis2437 (1)1 Doppler US
1 Photograph
2 Micrograph
200616.3±2.03 external links
Atrial fibrillation1739 (2)1 Photograph410614.6±2.31 external link
Atrial flutter533 (1)1 Photograph100214.5±1.90 external links
Atrial septal defect1333 (1)1 Ultrasound400511.7±1.14 external links
Bradyarrhythmias530 (3)0200210.6±1.10 external links
Cardiac tamponade533 (3)1 Ultrasound000114.0±1.50 external links
Cardiomyopathies532 (2)1 Histopathological slide
1 Photograph
000216.4±1.53 external links
Chest pain532 (2)0000020.6±8.30 external links
Coarctation of the aorta831 (4)2 CT reconstruction210512.5±0.813 external links:
(7 websites and
6 research papers)
Complete transposition of the great arteries1032 (0)4 Photographs100516.7±0.79 external links
Cyanosis437 (2)3 Photograph000313.3±1.91 external link
Deep vein thrombosis2145 (1)1 CT scan
1 Ultrasound
1 Venogram
7 Photographs
3011412.2±1.44 external links
Dyspnoea833 (1)0010114.2±1.32 external links
Eisenmenger syndrome435 (2)1 Photographs100215.5±0.93 external links
Endocarditis333 (1)1 Microbiology stain000118.3±6.62 external links
Heart failure2042 (1)1 Photographs
1 X-ray
110413.6±1.72 external links
Infective endocarditis1133 (2)1 Echocardiogram
1 Photographs
000216.8±3.40 external links
Long QT syndrome1038 (1)0110211.4±1.11 external links
Mitral regurgitation934 (1)1 TOE230615.1±1.43 external links
Mitral stenosis733 (2)2 Photographs410713.9±0.93 external links
Mitral valve prolapse838 (0)1 Painting
1 TOE
300514.2±1.02 external links
5 further readings (research papers)
Myocardial infarction2039 (1)0600615.6±0.42 external links
Palpitations430 (1)02 Audio recordings00214.8±1.66 external links
Patent ductus arteriosus634 (1)2 Echocardiogram300511.4±1.39 external links
Pericardial effusion435 (3)1 CT scan
1 ECG
1Echocardiogram
2 Ultrasound
2 X-ray
100815.2±1.64 external links
Peripheral arterial disease931 (3)1 Photograph000116.4±3.41 external link
Prosthetic heart valves1028 (0)5 Photographs000511.5±1.82 external links
Pulmonary arterial hypertension1134 (1)1 Micrograph300413.9±088 external links
Pulmonary embolism1435 (1)1 Angiogram
1 Nuclear imaging
2 CT
1 X-ray
4 Photographs
000911.5±0.70 external links
Pulmonic regurgitation229 (1)0000017.7±1.20 external links
Pulmonic stenosis230 (2)0000014.4±3.51 external link
Rheumatic fever837 (4)1 Micrograph
1 Photograph
300514.4±1.23 external links
Syncope933 (1)1 Painting000112.9±1.04 external links
Tetralogy of Fallot936 (1)1 Photograph
1 X-ray
300514.3±1.07 external links
Tricuspid regurgitation331 (0)0000015.3±1.03 external links
Tricuspid stenosis231 (1)0000014.6±0.11 external link
Ventricular septal defect740 (2)1 Echocardiogram
1 Photograph
200412.6±2.016 external links
Ventricular tachycardia632 (1)2 Photographs000214.1±1.80 external links
Wolff-Parkinson-White syndrome838 (1)2 Photographs400614.4±0.23 external links
  • *The modified DISCERN instrument was used in calculating accuracy. The results represent median and IQR of the scores. The results represent English Wikipedia cardiovascular articles searched on 6 October 2013.

  • CT, computed tomography; MRI, magnetic resonance imaging; TOE, transoesophageal echocardiogram; US, Ultrasound.