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  2. Atrial fibrillation - Wikipedia

    en.wikipedia.org/wiki/Atrial_fibrillation

    315,000 with atrial flutter (2019) [10] Atrial fibrillation (AF, AFib or A-fib) is an abnormal heart rhythm (arrhythmia) characterized by rapid and irregular beating of the atrial chambers of the heart. [11][12] It often begins as short periods of abnormal beating, which become longer or continuous over time. [4]

  3. Pre-excitation syndrome - Wikipedia

    en.wikipedia.org/wiki/Pre-excitation_syndrome

    Pre-excitation syndrome. Pre-excitation syndrome is a heart condition in which part of the cardiac ventricles are activated too early. [1] Pre-excitation is caused by an abnormal electrical connection or accessory pathway between or within the cardiac chambers. Pre-excitation may not cause any symptoms but may lead to palpitations caused by ...

  4. Amaurosis fugax - Wikipedia

    en.wikipedia.org/wiki/Amaurosis_fugax

    Amaurosis fugax. The arteries of the choroid and iris. The greater part of the sclera has been removed. Amaurosis fugax (Greek: ἀμαύρωσις, amaurosis meaning 'darkening', 'dark', or 'obscure', Latin: fugax meaning 'fleeting') is a painless temporary loss of vision in one or both eyes. [3]

  5. Normal tension glaucoma - Wikipedia

    en.wikipedia.org/wiki/Normal_tension_glaucoma

    Normal tension glaucoma (NTG) is an eye disease, a neuropathy of the optic nerve, that shows all the characteristics of primary open angle glaucoma except one: the elevated intraocular pressure (IOP) - the classic hallmark of glaucoma - is missing. Normal tension glaucoma is in many cases closely associated with general issues of blood ...

  6. Premature ventricular contraction - Wikipedia

    en.wikipedia.org/wiki/Premature_ventricular...

    A premature ventricular contraction (PVC) is a common event where the heartbeat is initiated by Purkinje fibers in the ventricles rather than by the sinoatrial node. PVCs may cause no symptoms or may be perceived as a "skipped beat" or felt as palpitations in the chest. PVCs do not usually pose any danger. [1]

  7. Primary juvenile glaucoma - Wikipedia

    en.wikipedia.org/wiki/Primary_juvenile_glaucoma

    Primary juvenile glaucoma is a subtype of primary congenital glaucoma [2] that develops due to ocular hypertension and is diagnosed between three years of age and early adulthood. [ 3 ] [ 4 ] It is caused due to abnormalities in the anterior chamber angle development that obstruct aqueous outflow in the absence of systemic anomalies or other ...

  8. ICD-10 - Wikipedia

    en.wikipedia.org/wiki/ICD-10

    ICD-10. ICD-10 is the 10th revision of the International Classification of Diseases (ICD), a medical classification list by the World Health Organization (WHO). It contains codes for diseases, signs and symptoms, abnormal findings, complaints, social circumstances, and external causes of injury or diseases. [1]

  9. CHA2DS2–VASc score - Wikipedia

    en.wikipedia.org/wiki/CHA2DS2–VASc_score

    Thus, the CHA 2 DS 2 -VASc score is a refinement of CHADS 2[8][10] score and extends the latter by including additional common stroke risk factors, that is, age 65–74, female gender and vascular disease. [11] In the CHA 2 DS 2 -VASc score, 'age 75 and above' also has extra weight, with 2 points. The maximum CHADS 2 score is 6, whilst the ...