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1 QT dynamics during exercise and recovery were derived in
2 QT interval dynamics during exercise and recovery are he
3 QT interval prolongation is a heritable risk factor for
4 QT prolongation and TdP are a risk in men receiving enza
5 QT/RR, JTp/RR, and JT50/RR profiles were studied in 523
7 ral loads were monitored by NucliSense HIV-1 QT assay and T cell counts and expression of the activat
9 nts [7%]), sepsis or septic shock (11 [5%]), QT prolongation (five [2%]), and nausea (five [2%]) in t
12 C showed more phenolics of GA (gallic acid), QT (quercetin), LT (luteolin) in ACE (acetone) and RT (r
14 abnormality in PR interval, QRS complex and QT interval the Coefficient Variation (CV) should be gre
15 ures including PR interval, QRS complex, and QT interval from the continuous ECG waveform using featu
17 d 2 composite, conventional (PR interval and QT interval) interval scale traits and conducted multiva
18 populations, appropriate use of ischemia and QT-interval monitoring among select populations, alarm m
20 (mean heart rate, heart rate variability and QT interval variability) and self-reported measures of c
21 added use of beta-blockers, antidepressants, QT-prolonging drugs, opiates, illicit drugs, and dyslipi
24 rize genetic susceptibility to PM-associated QT prolongation in a multi-racial/ethnic, genome-wide as
25 may alter susceptibility to PM10-associated QT prolongation in populations protected by the U.S. Env
26 mycin held or discontinued due to an average QT prolongation of 60.5+/-40.5 ms from a baseline QTc of
27 variants previously associated with baseline QT interval to drug-induced QT prolongation and arrhythm
30 lp understand the genetic basis of the brain QT changes over the time during the disease progression.
34 CCORD trial is not likely to be explained by QT prolongation leading to lethal ventricular arrhythmia
36 acute infections, regardless of concomitant QT-prolonging antimicrobial treatments, QTc was signific
38 rs (QRS voltage, QRS duration, and corrected QT interval [QTc]) were evaluated by using multivariable
39 arrest, acute kidney failure, and corrected QT interval prolongation, were not significantly differe
41 with the exception of asymptomatic corrected QT interval prolongation, which was significantly higher
43 ine extended the electrocardiogram corrected QT interval (mean increase at 52 h compared with baselin
44 Forty-five ECGs were available for corrected QT interval (QTc) measurement, and levels of hydroxychlo
45 d with uncorrected QT interval, HR-corrected QT interval or high-density lipoprotein-cholesterol.
47 ression identified EMW, heart rate-corrected QT interval (QTc), female sex, and LQTS genotype as univ
49 23; range, 0-59, median heart rate-corrected QT interval [QTc] at diagnosis 557 ms (IQR, 529-605) wit
52 n of either the QT interval or the corrected QT interval (calculated with Fridericia's formula) to 50
54 ex was increased (P<0.001) and the corrected QT interval on ECG was prolonged (P<0.001) in HFpEF rats
59 normal resting QTc values and only developed QT prolongation and malignant arrhythmias after exposure
60 T wave (JT50) were reported to differentiate QT prolonging drugs that are predominant blockers of the
63 T axis deviation; PR interval, QRS duration, QT, and QTc interval; P, Q, R, S, and T amplitudes in 12
64 epolarisation and electrocardiographic (ECG) QT interval, associated with increased age-dependent ris
66 syndrome (17%), all-grade electrocardiogram QT prolongation (26%), and grade >= 3 leukocytosis (9%).
69 ded but the generic universal correction for QT/RR hysteresis is also applicable to JTp/RR and JT50/R
73 In this study, we sought to validate PGS for QT interval in 2 real-world cohorts of European ancestry
79 ty irrespective of VL status, and (2) higher QT variability if they had detectable, but not with unde
80 sis patients who initiated SSRIs with higher QT-prolonging potential and 34,722 (52.9%) who initiated
82 ociated systemic and pulmonary hypertension, QT prolongation, arrhythmias, pericardial disease, and r
84 cannot only select relevant SNPs and imaging QTs for each diagnostic group alone, but also allows the
85 ciations between genetic markers and imaging QTs identified by existing bi-multivariate methods may n
86 nsistent and time-dependent SNPs and imaging QTs, which further help understand the genetic basis of
87 s among SNPs from AD risk gene APOE, imaging QTs extracted from structural magnetic resonance imaging
92 lthough use of these medications resulted in QT prolongation, clinicians seldomly needed to discontin
93 men have greater beat-to-beat variability in QT interval (QTVI) than HIV- men, especially in the sett
94 ls were used to compare the risk of incident QT prolongation (>460 ms in women or >450 ms in men) in
99 Furthermore, glucose ingestion increased QT interval and aggravated the cardiac repolarization di
100 ants associated with any of five independent QT interval (QTi)-associated GWAS hits at the SCN5A-SCN1
101 models were used to characterize individual QT/RR, JTp/RR, and JT50/RR profiles both without and wit
102 e examined the association of the individual QT-interval components (R-wave onset to R-peak, R-peak t
105 roportion of the variability in drug-induced QT prolongation and is a significant predictor of drug-i
106 lethal cardiac consequences of drug-induced QT prolongation because they have a substantial cardiova
108 ndicate that whereas the same loci influence QT across populations, population-specific variation exi
121 .0001) with 17 Brugada syndromes and 15 long QT syndromes diagnosed based on pharmacological tests.
123 r effect, quinidine can induce acquired long QT syndrome and torsade de pointes through its interacti
124 el function is a main cause of acquired long QT syndrome, which can lead to ventricular arrhythmias a
126 main inherited cardiac arrhythmias are long QT syndrome, short QT syndrome, catecholaminergic polymo
128 ntified in 115 (51%) of 225 RSCA cases: long QT syndrome (LQTS) (n = 48 [42%]), hypertrophic cardiomy
129 Mutations in these channels can cause Long QT Syndrome (LQTS) which increases the risk for ventricu
130 in the cardiac Kv11.1 channel can cause long QT syndrome type 2 (LQTS2), a heart rhythm disorder asso
132 15 KCNQ1 mutations with known clinical long QT phenotypes, we developed a method to stratify the eff
134 tients with the cardiac rhythm disorder long QT syndrome 3 (LQT3) carrying SCN5A sodium channel varia
135 ents at the highest phenotypic risk for long QT syndrome (LQTS)-associated life-threatening cardiac e
136 and T-wave, we also analysed data from long QT syndrome type 2 (LQT2) patients, testing the hypothes
137 equence of the KCNH2 gene implicated in Long QT Syndrome (LQTS), which occurred once in 500 whole gen
139 polymorphic ventricular tachycardia in long QT syndrome type 2 (LQT2) has been associated with a cha
140 S967 prevents EADs and abolishes PVT in long QT syndrome type 2 rabbits by counterbalancing the reduc
143 atients with potassium channel-mediated long QT syndrome (ie, LQT1 and LQT2) has not been investigate
144 t with E-4031 to block I(Kr) (mimicking long QT syndrome 2) or with sea anemone toxin II to impair Na
145 r Na(+) channel inactivation (mimicking long QT syndrome 3) prolonged AP duration (APD); however, usi
147 There was stronger clinical evidence of long QT syndrome in carriers (38.6% versus 5.5%, P=0.0006), g
150 duction in a transgenic rabbit model of long QT syndrome type 2 using intact heart optical mapping, c
152 or pharmacological inhibition produces Long QT syndrome and the lethal cardiac arrhythmia torsade de
155 led that I(NaL) potentiates EADs in the long QT syndrome type 2 setting through (1) providing additio
156 eolin-3 (Cav3), have been linked to the long QT type 9 inherited arrhythmia syndrome (LQT9) and the c
160 71C>T, p.T224M), a gene associated with long QT syndrome type 1, which can cause syncope and sudden c
167 risk factor for inherited and acquired long-QT associated torsade de pointes (TdP) arrhythmias, and
169 nction is the primary cause of acquired long-QT syndrome, which predisposes affected individuals to v
172 are crucial for glucose regulation, and long-QT syndrome may cause disturbed glucose regulation.
173 such as hypertrophic cardiomyopathy and long-QT syndrome, uncovered large-effect genetic variants tha
178 atical models of acquired and inherited long-QT syndrome in male and female ventricular human myocyte
181 n a patient presenting with symptoms of long-QT syndrome as a proof of principle, we demonstrated tha
182 the experience obtained in the study of long-QT syndrome, Brugada syndrome, and arrhythmogenic cardio
185 a syndromes capable of producing severe long-QT syndrome (LQTS) with mutations involving CALM1, CALM2
189 enicity of Kir2.1-52V in 1 patient with long-QT syndrome and also supports the use of isogenic human
192 itiation of an SSRI with higher versus lower QT-prolonging potential was associated with higher risk
193 risk among those initiating SSRIs with lower QT-prolonging potential (fluoxetine, fluvoxamine, paroxe
195 eated Holter recordings were used to measure QT, JT, JTp, and Tpe intervals preceded by both stable a
196 d SNPs and electrocardiographically measured QT were combined using fixed-effects meta-analysis.
197 , in order to detect complex multi-SNP-multi-QT associations, bi-multivariate techniques such as vari
199 ic ventricular tachycardia in the absence of QT prolongation, indicating a novel proarrhythmic syndro
200 We also did not observe associations of QT dynamics during exercise and recovery with cardiovasc
201 re hospital discharge in 46 (27%) because of QT prolongation (14%), torsades de pointe or polymorphic
202 st genome-wide association studies (GWAS) of QT were performed in European ancestral populations, lea
205 ty index (QTVI), defined as a log measure of QT-interval variance indexed to heart rate variance.
206 +/- 220 electrocardiographic measurements of QT, JTp, and JT50 intervals were available including a 5
207 ary python script to identify any mention of QT prolongation, ventricular tachy-arrhythmias and cardi
209 74.20, p<0.1) were independent predictors of QT-prolongation.Incidence of LTA during hospitalization
215 At PM10 concentrations >90th percentile, QT increased 7 ms across the CC and TT genotypes: 397 (9
217 liver function test results (n=1), prolonged QT interval (n=2), and adrenal insufficiency (n=1).
218 vere cardiac decompensation were a prolonged QT interval corrected (462 vs. 443 ms; P = 0.05), an ele
220 1C-p.R518C variant associated with prolonged QT intervals, cardiomyopathy, and sudden cardiac death i
221 ificant sinus slowing and increased PR, QRS, QT, and QTc intervals, as seen with azithromycin overdos
223 ees of increased intrapulmonary shunting (QS/QT), assessing the impact of intra- and extrapulmonary f
224 ries at all shunt fractions but most with QS/QT from 0.1 to 0.3 with FIO2 approximately greater than
226 bnormal QT interval responses to heart rate (QT dynamics) is an independent risk predictor for cardio
228 tment for malaria and fever-recovery-related QT lengthening is necessary to avoid misattributing mala
229 rong overlap between QT dynamics and resting QT interval loci suggests common biological pathways; ho
230 not overlap with previously reported resting QT interval loci; candidate genes included KCNQ4 and KIA
235 ir magnitudes can cause either long or short QT syndromes associated with malignant ventricular arrhy
236 diac arrhythmias are long QT syndrome, short QT syndrome, catecholaminergic polymorphic ventricular t
238 nnels underlie variant 3 (SQT3) of the short QT syndrome, which is associated with atrial fibrillatio
239 ondition characterized by abnormally 'short' QT intervals on the ECG and increased susceptibility to
240 uncomplicated falciparum malaria had shorter QT intervals (-61.77 milliseconds; 95% credible interval
241 ed independently with clinically significant QT shortening of 2.80 milliseconds (95% CI: -3.17 to -2.
243 ed with prolongation of the QT interval that QT prolongation is an accepted surrogate marker for arrh
247 effect of other factors that may affect the QT interval but are not consistently collected in malari
248 he duration of the action potentials and the QT interval were significantly shorter in p.P888L-SAP97
252 identified genetic variants that modify the QT interval upstream of LITAF (lipopolysaccharide-induce
253 ed IKs inhibition necessary to normalize the QT interval and terminate re-entry in SQT2 conditions wa
254 s have demonstrated that prolongation of the QT interval is associated with sudden cardiac death (SCD
255 tightly associated with prolongation of the QT interval that QT prolongation is an accepted surrogat
259 hERG1 block leads to a prolongation of the QT interval, a phase of the cardiac cycle that underlies
260 kinesia, hallucinations, prolongation of the QT interval, and impulse control disorders were infreque
261 mbination, can lead to a prolongation of the QT interval, possibly increasing the risk of Torsade de
263 n European Americans, and had effects on the QT interval and TP segment that ranked among the largest
264 laria disease and demographic factors on the QT interval in order to improve assessment of electrocar
268 s with a higher potential for prolonging the QT interval (citalopram, escitalopram) versus the risk a
271 corrected for heart rate and similar to the QT interval, the differences in JT, JTp and Tpe interval
272 ricular repolarization lability by using the QT variability index (QTVI), defined as a log measure of
274 own whether any of the components within the QT interval are responsible for its association with SCD
276 n of common genetic variants contributing to QT interval at baseline, identified through genome-wide
278 and malignant arrhythmias after exposure to QT-prolonging stressors, 10 had other LQTS pathogenic mu
279 er by using the imaging quantitative traits (QTs) as endophenotypes is an important task in brain sci
284 ed by extensive T-wave inversions, transient QT prolongation, and severe disease expression of exerci
285 nversions in the precordial leads, transient QT prolongation in some, and recurrent ventricular arrhy
286 es, but were not associated with uncorrected QT interval, HR-corrected QT interval or high-density li
292 icated for other febrile illnesses for which QT-interval-prolonging medications are important therape
293 loci, AJAP1 was suggestively associated with QT in a prior East Asian GWAS; in contrast BVES and CAP2
295 ntensive glycemic control is associated with QT prolongation, which may lead to ventricular arrhythmi
297 effect estimates from association tests with QT interval obtained from prior genome-wide association
299 ively result from concomitant treatment with QT-prolonging antimicrobials, direct effects of inflamma
300 morphic ventricular tachycardia (VT) without QT prolongation is well described in patients without st