Osborn Wave (J Wave)The Osborn wave (J wave) is a positive deflection at the J point (negative in aVR and V1). It is usually most prominent in the precordial leads and most commonly associated with hypothermia.Mike Cadogan and Robert ButtnerJanuary 1, 2022
Delta WaveThe characteristic ECG findings in the Wolff-Parkinson-White syndrome include a slurred upstroke to the QRS complex (the Delta wave)Mike Cadogan and Robert ButtnerAugust 1, 2020
U WaveThe U wave is a small (0.5 mm) deflection immediately following the T wave, usually in the same direction as the T wave. Best seen leads V2 and V3.Ed BurnsAugust 1, 2020
R waveOn this page we will discuss and provide examples of R wave abnormalities such as Dominant R wave in V1, aVr and PRWP LITFL ECG LibraryMike CadoganAugust 1, 2020
Q WaveQ Wave morphology and interpretation. A Q wave is any negative deflection that precedes an R wave. LITFL ECG LibraryEd Burns and Robert ButtnerAugust 1, 2020
P waveOverview of normal P wave features, as well as characteristic abnormalities including atrial enlargement and ectopic atrial rhythmsMike Cadogan and Robert ButtnerAugust 1, 2020
T waveA review of normal T wave morphology as well common abnormalities including peaked, hyperacute, inverted, biphasic, 'camel hump' and flattened T wavesEd BurnsAugust 1, 2018