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ECG Reference

ECG in children, athletes, and pregnant women

8 terms — criteria, diagrams, and real tracings

Pediatric ECGPediatric ECG is the recording of the heart's electrical activity, which predictably changes from the neonatal period through adolescence.
Juvenile T waveA persistent juvenile T wave pattern refers to the retention of negative T waves in the right and middle precordial leads in adolescents and some young adults as a...
Синусовая брадикардияСинусовый ритм 45 в минуту: перед каждым QRS обычный P, PR постоянный, интервалы RR длинные.IIPRR 1,33 с → 45/мин
Athlete's ECGAn athlete's ECG is a complex of electrocardiographic changes resulting from cardiac adaptation to regular intense training (athlete's heart ECG).
Синусовая тахикардияСинусовый ритм 125 в минуту: P обычной формы перед каждым QRS, интервалы RR короткие и одинаковые.IIPRR 0,48 с → 125/мин
ECG during pregnancyAn ECG during pregnancy is the recording of the heart's electrical activity in a woman during the gestation period, taking into account physiological changes caused by hormonal and hemodynamic...
ECG in the elderlyAn ECG in the elderly is a recording characterized by specific features of the conduction system and myocardium in patients over 65 years of age associated with cardiac aging.
Neonatal ECGA neonatal ECG is the recording of the electrical activity of an infant's heart during the first 28 days of life, featuring physiological characteristics that sharply distinguish it from an adult ECG.
Holter monitoringHolter monitoring is the continuous recording of an ECG for 24–48 hours or longer using a portable monitor during normal daily activities...
Фибрилляция предсердийНет зубцов P, вместо изолинии — мелкие хаотичные волны f; интервалы RR абсолютно нерегулярные.IIволны f0,48 с1,05 с
Smartwatch ECGA smartwatch ECG is a single-lead recording of the potential difference between two electrodes—typically between the wrist wearing the watch and a finger of the opposite hand—forming a lead...
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Basics: waves, intervals, axesSinus nodeSupraventricular arrhythmiasVentricular arrhythmiasAV blocksBundle and fascicular blocksVentricular pre-excitationMyocardial ischemia and infarctionHypertrophy and chamber enlargementElectrolytes and metabolismDrugs and intoxicationsChannelopathies and cardiomyopathiesPericardium, lungs, brain, and othersCardiac pacingArtifacts and lead placement errorsCriteria, formulas, algorithmsPhenomena and eponyms