Late Onset T-Wave Causes & Reasons

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Late Onset T-Wave Symptom Checker: Possible causes include Long QT Syndrome 10. Check the full list of possible causes and conditions now! Talk to our Chatbot to narrow down your search.

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Possible Causes

Long QT Syndrome 10

LQTS 3 5-10% SCN5A Prolonged Na influx Biphasic or peaked, late-onset, T wave LQTS 4 1-2% ANKB Build-up of Na within cell and Ca 2 outside of cell Variable Qt interval prolongation [geneticheartdisease.org]

The electrocardiogram of patients with LQT1 most often has as a broad-based T-wave or a late-onset normal appearing T-wave 7, 3 (Figure 2). [geneticheartdisease.org]

Sub-type Frequency Gene Mutation Effect ECG finding LQTS 1 30-35% KVLQT1 K Efflux Broad, late-inset, T wave LQTS 2 25-30% HERG K Efflux Widely-split, low-amplitude, T wave [geneticheartdisease.org]

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Long QT Syndrome 6

The electrocardiogram of patients with LQT1 most often has as a broad-based T-wave or a late-onset normal appearing T-wave 7, 3 (Figure 2). [geneticheartdisease.org]

[…] low-amplitude, T wave LQTS 3 5-10% SCN5A Prolonged Na influx Biphasic or peaked, late-onset, T wave LQTS 4 1-2% ANKB Build-up of Na within cell and Ca 2 outside of cell Variable [geneticheartdisease.org]

The electrocardiogram for these patients will often have late-onset of the T-wave that can be biphasic or peaked 7, 3 (Figure 2) LQT4: The genetic mutation in this subtype [geneticheartdisease.org]

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Catecholaminergic Polymorphic Ventricular Tachycardia

The LQT1 group usually has a broad and pronounced T-wave or late onset of a normal-appearing T-wave. The prevalence of congenital LQTS is around 1:2,000 to 1:5,000 LQTS. [radcliffecardiology.com]

Also, abnormalities in T-wave amplitude and duration can help to distinguish among LQT1, LQT2, and LQT3. [radcliffecardiology.com]

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Myocarditis

Click to view larger Download figure as PowerPoint slide Fig. 4.1.3.1 (a) Typical signs for myocardial injury with inferolateral T waves. [oxfordmedicine.com]

(b) Typical CMR of lateral myocarditis with subendocardial late enhancement. [oxfordmedicine.com]

New onset of ventricular arrhythmias at rest or during exercise in athletes should suggest a work-up for acute myocarditis. [oxfordmedicine.com]

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Pericarditis

PR segment deviation with opposite polarity to the P wave. - Early-onset stage II: reversal of changes in the ST segment, PR segment diverted. - Late-onset stage II: progressive [dx.doi.org]

[…] flattening and T wave inversion. - Stage III: generalized T wave inversion. - Stage IV: electrocardiogram returns to baseline rate. [dx.doi.org]

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Arrhythmogenic Right Ventricular Dysplasia

ARVD/C VS RVOT-VT RVOT VT ARVD/C AGE OF ONSET 3RD TO 4TH DECADE 3RD TO 4TH DECADE SEX FEMALES PREDOM MALES PREDOM FAMILY HISTORY ----- SCD ------- 12 LEAD ECG NORMAL T WAVE [slideshare.net]

Depolarization/conduction abnormalities Major Epsilon wave (reproducible low-amplitude signals between end of QRS complex to onset of the T wave) in the right precordial leads [doi.org]

ABNORMALITIES, EPSILON WAVES SAECG NORMAL LATE POTENTIALS ECHO NORMAL WALL MOTION ABNORMALITY OR DILATATION OF RV ARRHYTHMIAS REPETATIVE MONOMORPHIC VT SVT,NSVT,VF ORIGIN [slideshare.net]

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Long QT Syndrome 14

C ) LQTS type 3 with late-onset peaked T wave. [jstage.jst.go.jp]

ECGs of LQTS types 1–3, with the typical T wave of each subtype. ( A ) LQTS type 1 with typical broad-based T wave pattern. ( B ) LQTS type 2 with typical bifid T wave. [jstage.jst.go.jp]

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Familial Pericarditis

PR segment deviation with opposite polarity to the P wave. - Early-onset stage II: reversal of changes in the ST segment, PR segment diverted. - Late-onset stage II: progressive [scielo.br]

[…] flattening and T wave inversion. - Stage III: generalized T wave inversion. - Stage IV: electrocardiogram returns to baseline rate. [scielo.br]

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Anthracycline-Induced Cardiomyopathy

Late-onset arrhythmia and sudden cardiac death can occur even 15 years after anthracycline administration has been ceased. [symptoma.com]

It may reveal abnormalities in 20- 30% of patients, including nonspecific ST and T wave changes and decreased QRS voltage in cases with associated pericarditis, QT interval [symptoma.com]

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Secondary Cardiomyopathy

Depolarization/conduction abnormalities Major Epsilon wave (reproducible low-amplitude signals between end of QRS complex to onset of the T wave) in the right precordial leads [textbookofcardiology.org]

(V 1 to V 3 ) Minor Late potentials by SAECG in 1 of 3 parameters in the absence of a QRS duration of 110 ms on the standard ECG Filtered QRS duration (fQRS) 114 ms Duration [textbookofcardiology.org]

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Infiltrative Cardiomyopathy

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Lennox-Gastaut Syndrome

Bauer G, Aichner F, Saltuari L - Epilepsies with diffuse slow spikes and waves of late onset. Eur Neurol 22:344, 1983. [ Links ] 3. [scielo.br]

Bauer G, Benke T, Bohr K - The Lennox-Gastaut syndrome in adulthood. In Nieder-meyer E, Degen R (eds): The Lenox-Gastaut Syndrome. [scielo.br]

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Hemochromatosis-Related Cardiomyopathy

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WT Syndrome

The electrocardiogram of patients with LQT1 most often has as a broad-based T-wave or a late-onset normal appearing T-wave 7, 3 (Figure 2). [geneticheartdisease.org]

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Antipsychotic Agent

Papazizis G, Tzellos T, Tahmatzidis D, Doliantis K, Kouvelas D. Late-onset clozapine-induced hypothermia accompanied by electrocardiogram Osborn waves. [doi.org]

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