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13 Possible Causes for Flattened T Wave, J-Point Depression

  • Digoxin

    J point depression (usually in leads with tall R waves).[lifeinthefastlane.com] . - Flattened, negative or biphasic T waves. - QT interval shortening. - U wave amplitude may increase.[metealpaslan.com] , inverted, or biphasic T waves .[lifeinthefastlane.com]

  • Digitalis Toxicity

    Electrocardiographic signs of digitalis toxicity include first-degree atrioventricular (A-V) block with depressed S-T segments, shortened Q-T intervals, and flattened T waves[medical-dictionary.thefreedictionary.com]

  • Digitalis

    Abstract A 19-year-old female was admitted to our department because of a hypertrophic palmaris digitalis II of the left hand displaying color changes. A thrill was easily palpated over the medial part of the finger. A review of her history revealed that this hypertrophy occurred after a blunt trauma to the left[…][ncbi.nlm.nih.gov]

  • Acute Pericarditis

    These include ST-segment elevation in multiple leads (measured from the TP segment to the J point) and PR depression.[cfp.ca] There may be a notch in the J-point (which can be seen in leads V4 and V5 in Figure 2). The magnitude of the ST elevation is typically.[ecgwaves.com] flatten; stage 3: symmetric T wave inversion throughout ECG; and stage 4: ECG normalization 2 .[jetem.org]

  • Acute Pleuropericarditis

    These include ST-segment elevation in multiple leads (measured from the TP segment to the J point) and PR depression.[cfp.ca] There may be a notch in the J-point (which can be seen in leads V4 and V5 in Figure 2). The magnitude of the ST elevation is typically .[ecgwaves.com] Twenty-four hours after the episode, T wave inversions insisted in leads I, aVL, V4-V6 and flattened T waves appeared in leads II and aVF (Figure 1C).[hippokratia.gr]

  • Post-Infarction Pericarditis

    There may be a notch in the J-point (which can be seen in leads V4 and V5 in Figure 2). The magnitude of the ST elevation is typically .[ecgwaves.com] (1 to 3 weeks) Stage 3 – flattened T waves become inverted (3 to several weeks) Stage 4 – ECG returns to normal (several weeks onwards) NB.[lifeinthefastlane.com] waves flatten.[merckmanuals.com]

  • Incessant Infant Ventricular Tachycardia

    J-point depression: the J point (junction between the QRS and ST segment) is depressed without sustained ST depression, i.e. upsloping ST depression.[lifeinthefastlane.com] ST segment returns to normal within 1-3 weeks, along with flattening of the T waves.[lifeinthefastlane.com] Some ST changes may be normal: Limb lead ST depression or elevation of up to 1mm (up to 2mm in the left precordial leads).[lifeinthefastlane.com]

  • Coronary Ischemia

    All patients underwent non-cardiac surgery and were monitored with a 12-lead EKG – Ischemia defined as 0.1 mV depression, measured 60msec after J-point; duration 1 minute[slideshare.net] T-wave flattening and T-wave inversions are less specific for ischemia but may point to that diagnosis in the right clinical setting.[consultant360.com] Significant ST depression was defined as horizontal or downsloping ST-segment deviation beginning at the J-point and of 0.1-mV magnitude below the baseline at J-point plus[circ.ahajournals.org]

  • CK Syndrome

    In acute coronary syndrome, common electrocardiographic abnormalities include T-wave tenting or inversion, ST-segment elevation or depression (including J-point elevation[aafp.org] […] inversion ( 0.2 mV) with symptoms Fixed Q waves Abnormal ST segments or T waves not documented to be new T-wave flattening or inversion of T waves in leads with dominant[aafp.org] Based on Marriott’s criteria, 15 epicardial injury is diagnosed when the J point (origin of the ST segment at its junction with the QRS complex) is (1) elevated by 1 mm or[aafp.org]

  • Brugada Syndrome

    The electrocardiogram for the proband in K2823 is not shown because the patient presented mild J point depression anteriorly with a rapidly upsloping ST segment during a peak[doi.org] , the T wave is flattened or when notching of the T wave occurs.[doi.org] QT measurement during adrenaline infusion can be challenging to interpret in the context of dynamic T-wave morphology changes, particularly when prominent U waves are present[doi.org]

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