> For the complete documentation index, see [llms.txt](https://docs.wellcomecollection.org/library-cataloguing/9yMHsFGBXS9DDRGtdmSE/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.wellcomecollection.org/library-cataloguing/9yMHsFGBXS9DDRGtdmSE/classifications/barnard/o-cardiology-and-angiology.md).

# O Cardiology and Angiology

<table><thead><tr><th width="83">O</th><th width="355">Cardiology Angiology and Cardiovascular system</th></tr></thead><tbody><tr><td>O.F</td><td>Blood Circulation</td></tr><tr><td><strong>OB</strong></td><td><strong>Hypertension</strong></td></tr><tr><td><strong>OH</strong></td><td><strong>Thrombosis</strong></td></tr><tr><td>OH.R</td><td>Treatment of Thrombosis</td></tr><tr><td><strong>OI</strong></td><td><strong>Embolism</strong></td></tr><tr><td><strong>ON</strong></td><td><strong>Pericardium</strong></td></tr><tr><td><strong>OO</strong></td><td><strong>Heart</strong></td></tr><tr><td>OO.P</td><td>Heart, Diseases</td></tr><tr><td>OO.PH</td><td>Fallot's Tetralogy</td></tr><tr><td>OO.V</td><td>Heart Surgery</td></tr><tr><td>OOH</td><td>Cardiography; Electrocardiography; Heart Beat; Pulse</td></tr><tr><td>OOI</td><td>Arrythmia</td></tr><tr><td>OOJ</td><td>Disordered Heart Action</td></tr><tr><td>OOJ.C</td><td>Auricular Flutter</td></tr><tr><td>OOK</td><td>Heart Failure</td></tr><tr><td><strong>OQ</strong></td><td><strong>Myocardium</strong></td></tr><tr><td>OQC</td><td>Angina Pectoris</td></tr><tr><td><strong>OS</strong></td><td><strong>Arteries; Bloodvessels</strong></td></tr><tr><td>OS.PS</td><td>Aneurism</td></tr><tr><td>OSW</td><td>Cartoid arteries. Moyamoya</td></tr><tr><td><strong>OU</strong></td><td><strong>Veins</strong></td></tr><tr><td>OU.C</td><td>Valves</td></tr><tr><td><strong>OV</strong></td><td><strong>Lymphatic System</strong></td></tr></tbody></table>