https://www.myemnotes.com/ 2026-04-11T00:11:10+00:00 https://www.myemnotes.com/ https://www.myemnotes.com/lib/exe/fetch.php?media=logo.png text/html 2023-04-25T12:16:08+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.myemnotes.com/doku.php?id=wiki:cardiovascular:ecg_conditions:brugada&rev=1682424968&do=diff Brugada Syndrome ECG – ST elevation V1,2,3 with RBBB. * autosomal dominant, most common gene SCN5A (20%) which encodes the Na+ channel * fibrotic changes are common, esp RV outflow tract * more in males, Asian * onset of symptoms – adulthood. Often after fever, after heavy meal, Xs alcohol text/html 2023-04-25T12:16:08+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.myemnotes.com/doku.php?id=wiki:cardiovascular:ecg_conditions:early_repolarisation&rev=1682424968&do=diff Early repolarisation Benign Early Repolarisation (BER) Interpretation of the ST segment is very much dependent on the clinical scenario: * upward ST concavity in asymptomatic patient may be benign early repolarisation * upward ST concavity in young patient with pleuritic chest pain may be pericarditis text/html 2023-04-25T12:16:08+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.myemnotes.com/doku.php?id=wiki:cardiovascular:ecg_conditions:long_qt_syndrome&rev=1682424968&do=diff Long QT (including) syndrome * a genetic syndrome of many different gene mutations with resultant K+ (60% cases) or Na+ channel dysfunction * QT>450ms, QTc>440ms in men & QTc>460ms in women * life-threatening cardiac arrhythmia syndrome and leading cause of sudden death in young people. Without treatment ~20% mortality in 1st year of 1st syncope text/html 2023-04-25T12:16:08+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.myemnotes.com/doku.php?id=wiki:cardiovascular:ecg_conditions:pvcs&rev=1682424968&do=diff Premature Ventricular Complex (PVC) A premature beat arising from an ectopic focus within the ventricles. AKA: ventricular ectopics, ventricular extrasystoles, ventricular premature beats, ventricular premature depolarisations. Origin of Ectopic Beats