Possible Causes for t wave abnormality Rett Syndrome This may be due, in part, to heart irregularities, specifically a prolonged QT interval and T-wave abnormalities. [rarediseases.org] Anthracycline-Induced Cardiomyopathy 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] Diffuse Intraventricular Block T wave inversions and T wave flattening are sometimes present for no clear clinical reason, hence are referred to as “non-specific T wave abnormalities.” B. [clinicaladvisor.com] The most common ECG abnormality in our study was nonspecific ST-T wave abnormalities. [journals.plos.org] […] with a U-wave (a “T-U fusion complex”) Poor R-wave progression (PRWP) Prior anteroseptal MI LVH Abnormally high placement of the mid-precordial electrodes Normal variant [lifeinthefastlane.com] Basilar Artery Thrombosis with Occlusion of a Precerebral Artery […] st-t segment depression', 'electrocardiogram st-t segment elevation', 'electrocardiogram t wave abnormal', 'electrocardiogram t wave amplitude decreased', 'electrocardiogram [definedterm.com] t wave amplitude increased', 'electrocardiogram t wave biphasic', 'electrocardiogram t wave inversion', 'electrocardiogram t wave peaked', 'electrocardiogram u wave inversion [definedterm.com] ', 'electrocardiogram st segment depression', 'electrocardiogram st segment elevation', 'electrocardiogram st-t change', 'electrocardiogram st-t segment abnormal', 'electrocardiogram [definedterm.com] Acute Alcohol Intoxication This case represents an uncommon, but reversible, cause of T-wave oversensing that should be considered before more aggressive measures are taken to correct the abnormality [ncbi.nlm.nih.gov] Long QT Syndrome 14 The signs of long QT syndrome are prolongation of the QT interval on the electrocardiogram and abnormalities of T wave morphology. [journals.lww.com] LQTS is a cardiac electrophysiologic disorder, characterized by changes in the electrocardiogram (ECG), such as QT prolongation, T-wave abnormalities, accompanied by the ventricular [centogene.com] If the 12 lead EKG is borderline, than often a treadmill stress test will reveal subtle T wave abnormalities and a 24 hour holter can calculate QTc averages. [epmonthly.com] Long QT Syndrome BACKGROUND: Congenital long-QT syndrome (LQTS) is a potentially lethal cardiac electrophysiologic disorder characterized by QT interval prolongation and T-wave abnormalities [ncbi.nlm.nih.gov] Long QT syndrome (LQTS) is a cardiac electrophysiologic disorder, characterized by QT prolongation and T-wave abnormalities on the ECG and the ventricular tachycardia torsade [flybase.org] T-wave abnormalities - notching, alternation in amplitude A screening EKG alone is usually insufficient to diagnose at-risk patients. [pedclerk.bsd.uchicago.edu] Hypertrophic Cardiomyopathy ECG features of Hypertrophic Cardiomyopathy Left ventricular hypertrophy results in increased precordial voltages and non-specific ST segment and T-wave abnormalities. [lifeinthefastlane.com] wave abnormalities Pathological Q waves can suggest an underlying diagnosis or provide clues to the distribution of hypertrophy and myocardial scar 48 hour ambulatory ECG [pathologyoutlines.com] Summary of Electrocardiographic Features Left atrial enlargement Left ventricular hypertrophy with associated ST segment / T-wave abnormalities Deep, narrow (“dagger-like” [lifeinthefastlane.com] Hypertension An echocardiogram is valuable to confirm or refute the presence of LVH when the ECG shows ‘high’ left-ventricular voltage without T-wave abnormalities, as is often the case [doi.org] Tonsillitis A QT interval is measured from the start of the Q wave through the end of the T wave. [healthline.com] Presence of abnormal (“giant”) T-U waves may precede TdP Drug-induced Torsades In the context of acute poisoning with QT-prolonging agents, the risk of TdP is better described [litfl.com] In the remaining 70%, the ECG shows evidence of previous infarction, hypertrophy, or nonspecific ST-segment and T-wave (ST-T) abnormalities. [msdmanuals.com] Hyperventilation • ECG abnormalities may include prolonged QT interval, ST depression or elevation, and T-wave inversion. 26. [slideshare.net] Acute Hyperventilation Abnormalities may include prolonged QT interval, ST depression or elevation, and T-wave inversion. [emedicine.medscape.com] • ECG abnormalities may include prolonged QT interval, ST depression or elevation, and T-wave inversion. 26. [slideshare.net] Lateral Myocardial Infarction Waves, Nonspecific ST and/or T Wave Abnormalities, ST and/or T Wave Abnormalities Suggesting Myocardial Ischemia, ST and/or T Wave Abnormalities Suggesting Myocardial Injury [play.google.com] Residual ST-T wave abnormalities are also evident. [ecg.utah.edu] Biphasic/inverted T waves in V1-5. Poor R wave progression (R wave height 3mm in V3). Abnormal Q waves and T-wave inversion in I and aVL. [lifeinthefastlane.com] Athletic Heart Syndrome Tall, peaked - related to early repolarization Inverted - related to QRS voltage, LV mass, septal and posterior wall thickness What are common T-wave abnormalities in athlete [quizlet.com] If HMC is suspected, an ECG may demonstrate ST segment and T wave abnormalities and a prominent Q wave. The investigation of choice, however, is an Echocardiogram. [sportsinjuryclinic.net] The T wave abnormality is due to left ventricular hypertrophy. [rjmatthewsmd.com] Cardiomyopathy S4 Bifid carotid pulse with a brisk upstroke and rapid downstroke Exertional dyspnea and fatigue LV RV failure Functional AV valve regurgitation ECG Nonspecific ST- and T-wave [merckmanuals.com] S4 Bifid carotid pulse with a brisk upstroke and rapid downstroke Exertional dyspnea and fatigue LV ± RV failure Functional AV valve regurgitation ECG Nonspecific ST- and T-wave [merckmanuals.com] abnormalities Q waves BBB LV hypertrophy and ischemia Deep septal Q waves LV hypertrophy or low QRS voltage Echocardiography Dilated hypokinetic ventricles mural thrombus [merckmanuals.com] Biventricular Hypertrophy The thickened LV wall leads to prolonged depolarisation (increased R wave peak time) and delayed repolarisation (ST and T-wave abnormalities) in the lateral leads. [litfl.com] Minor ST-T wave abnormalities are also present. [frca.co.uk] wave abnormalities Pathological Q waves can suggest an underlying diagnosis or provide clues to the distribution of hypertrophy and myocardial scar 48 hour ambulatory ECG [pathologyoutlines.com] Dopamine Beta-Hydroxylase Deficiency In looking at the cardiovascular system, a loss of noradrenergic control is seen as T-wave abnormalities on electrocardiogram. [en.wikipedia.org] Hyperkalemia It is characterized clinically by electrocardiographic abnormalities (elevated T waves and depressed P waves, and eventually by atrial asystole). [fpnotebook.com] It is characterized clinically by electrocardiographic abnormalities (elevated t waves and depressed p waves, and eventually by atrial asystole). [icd9data.com] Abnormally high potassium concentration in the blood, most often due to defective renal excretion. [icd10data.com] Takotsubo Cardiomyopathy wave inversions. [icd9data.com] ST-segment elevation was reported in 81.6% of the patients, T wave abnormalities in 64.3%, and Q waves in 31.8%. [eurheartj.oxfordjournals.org] […] apical ballooning appearance, chest pain, and st segment elevation A transient left ventricular apical dysfunction or ballooning accompanied by electrocardiographic (ecg) t [icd9data.com] Woodhouse-Sakati Syndrome Additional manifestations include sensorineural hearing loss, seizures, T-wave abnormalities on ECG, and polyneuropathy. [genome.jp] All the patients have a distinctive facial appearance, hypogonadism, sparse or absent hair, diabetes mellitus, mental retardation, mild deafness, and variable S-T and T wave [doi.org] abnormalities on the electrocardiograph. [doi.org] Morbid Obesity Table 2 Common ECG abnormalities associated with morbid obesity Low voltage complexes LV hypertrophy or strain Prolonged QT/QTc Inferolateral T wave abnormalities Right axis [academic.oup.com] […] deviation or RBBB P pulmonale Low voltage complexes LV hypertrophy or strain Prolonged QT/QTc Inferolateral T wave abnormalities Right axis deviation or RBBB P pulmonale [academic.oup.com] Multifocal Atrial Tachycardia Waves, Nonspecific ST and/or T Wave Abnormalities, ST and/or T Wave Abnormalities Suggesting Myocardial Ischemia, ST and/or T Wave Abnormalities Suggesting Myocardial Injury [play.google.com] There are nonspecific ST-T wave abnormalities — but there are no acute changes. ------------------------------------------ P utting I t A ll T ogether: Figure-1 M AT The unifying [ecg-interpretation.blogspot.com] ATRIAL FIBRILLATION WITH RAPID VENTRICULAR RESPONSE WITH ABERRANT CONDUCTION OR VENTRICULAR PREMATURE COMPLEXES LEFT AXIS DEVIATION [QRS AXIS beyone -30] NONSPECIFIC ST and T-WAVE [hqmeded-ecg.blogspot.com] Obesity […] depression Left axis deviation Flattening of the T wave (inferolateral leads) Left atrial abnormalities False positive criteria for inferior myocardial infarction Echocardiography [dx.doi.org] ECG Changes That May Occur in Obese Individuals Heart rate PR interval QRS interval or QRS voltage QT c interval QT dispersion SAECG (late potentials) ST-T abnormalities ST [dx.doi.org] Cardiogenic Syncope ECG revealed atrial fibrillation, showing a heart rate of 90–100 bpm without ST-T wave abnormalities. [jtd.amegroups.com] It is characterized by prolonged QT interval, abnormal T wave, torsade de points (TdP) on electrocardiogram, with recurrent syncope, convulsion and even sudden death. [unboundmedicine.com] wave abnormalities.1 This syndrome affects an estimated 1 in 2500 people2 and typically presents with syncope, seizures or sudden death. [onlinelibrary.wiley.com] Long QT Syndrome 10 T-wave abnormalities - notching, alternation in amplitude A screening EKG alone is usually insufficient to diagnose at-risk patients. [pedclerk.bsd.uchicago.edu] […] pathophysiology, and general clinical aspects, as they relate to a laboratory test Long QT syndrome (LQTS) is a genetic cardiac disorder characterized by QT prolongation and T-wave [mayomedicallaboratories.com] If the 12 lead EKG is borderline, than often a treadmill stress test will reveal subtle T wave abnormalities and a 24 hour holter can calculate QTc averages. [epmonthly.com] Arthritis abnormality Identification of an intracoronary thrombus by angiography or autopsy 2. [emedicine.medscape.com] […] percentile of the upper reference limit (URL) and with at least one of the following findings: Symptoms of ischemia New or presumed new significant ST-segment-T wave (ST-T) [emedicine.medscape.com] […] changes or new left bundle branch block (LBBB) Development of pathologic Q waves on the ECG Imaging evidence of new loss of viable myocardium or a new regional wall motion [emedicine.medscape.com] Atrial Flutter ANSWER The ECG reveals sinus tachycardia with possible left atrial enlargement and a nonspecific T-wave abnormality. [mdedge.com] wave abnormalities), chest pain, slow heart beat, palpitations cs Spojené království předložilo své připomínky k této podpoře dopisem ze dne #. října en The studies examined [cs.glosbe.com] Waves, Nonspecific ST and/or T Wave Abnormalities, ST and/or T Wave Abnormalities Suggesting Myocardial Ischemia, ST and/or T Wave Abnormalities Suggesting Myocardial Injury [play.google.com] Long QT Syndrome 5 […] alternans) or other evidence of being at high risk (eg, long sinus pauses followed by abnormal T-wave morphologies), despite β-blockade and LCSD. [ahajournals.org] Quantitative analysis of T wave abnormalities and their prognostic implications in the idiopathic long QT syndrome.J Am Coll Cardiol. 1994; 23:296–301.CrossrefMedlineGoogle [ahajournals.org] Electrical alternation of the T-wave: clinical and experimental evidence of its relationship with the sympathetic nervous system and with the long Q-T syndrome.Am Heart J. [ahajournals.org] Orthostatic Hypotension In looking at the cardiovascular system, a loss of noradrenergic control is seen as T-wave abnormalities on electrocardiogram. [en.wikipedia.org] Right Atrial Hypertrophy ST and T-wave abnormalities 4. LAE & Left axis deviation (common but not needed to call LVH) [unm.edu] RVH is characterized by the following abnormalities: 1. Abnormality of QRS complex 2. Abnormality of S-T segment and T wave 3. Abnormality of QRS axis 4. [yourarticlelibrary.com] wave changes Juvenile T-wave pattern QTc 0.45 seconds by computer, but normal by hand calculation Borderline QTc of 0.44 to 0.45 seconds B (abnormal readings that have a low [aafp.org]
