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75 Possible Causes for Heart Murmur, Prolonged QT Interval, Wolff-Parkinson-White Syndrome

  • Mitral Valve Prolapse

    Miscellaneous Wolff-Parkinson-White syndrome and von Willebrand disease may also lead to MVP.[] Pathologically all valves appeared grossly enlarged, severely floppy and had extensive myxomatous changes with collagen dissolution. 80 patients had a pre-existing heart murmur[] Her post-resuscitation ECG showed a prolonged QT interval which progressively normalised over the same day.[]

  • Cardiomyopathy

    […] cardiomyopathy-1CC; familial hypertrophic cardiomyopathy 20 AD 10 PDLIM3 605889 0 PLN 172405 dilated cardiomyopathy-1P; Cardiomyopathy, familial hypertrophic, 18 AD 0 PRKAG2 602743 Wolff-Parkinson-White[] interval prolongation, T wave inversion, abnormal Q waves , nonspecific abnormalities Laboratory: troponin T ; , BNP Echocardiography : apical left ventricular ballooning[] (Heart murmurs are extra or unusual sounds heard during a heartbeat.) Updated: June 22, 2016[]

  • Familial Progressive Cardiac Conduction Defect

    Recently, we identified the genetic cause of a familial arrhythmogenic syndrome characterized by ventricular preexcitation and tachyarrhythmias (WolffParkinsonWhite syndrome[] , ventricular fibrillation, heart murmur, chest pain, renovascular, mitral valve stenosis, carotid stenosis, cardiac disease in pregnancy, inflammation of the heart valve,[] Long QT syndromes are heart disorders characterized by a prolonged QT interval on the ECG and polymorphic ventricular arrhythmias.[]

  • Hypertrophic Cardiomyopathy

    In people with HCM, there is an increased risk for abnormal heart rhythms such as Wolff-Parkinson-White syndrome, supraventricular tachycardia, atrial flutter and atrial fibrillation[] Disopyramide can prolong the QT interval, resulting in polymorphic ventricular tachycardia in some patients.[] To our knowledge, this is the first case in which heart murmurs associated with a diastolic paradoxical jet flow have been clearly described.[]

  • Syncope

    So here goes: W is Wolff-Parkinson-White syndrome – look for a short PR interval or delta wave: O is obstructed AV pathway – look for 2nd or 3rd degree block: or axis deviation[] The heart is auscultated for murmurs; if present, any change in the murmur with a Valsalva maneuver, standing, or squatting is noted.[] Electrocardiogram at admission revealed ventricular paced rhythm at 60/min, prolonged QT interval and frequent runs of torsades de pointes.[]

  • Cardiac Arrest

    Scarring from a prior heart attack A thickened heart muscle ( cardiomyopathy ) Electrical abnormalities including Wolff-Parkinson-White syndrome and Long QT syndrome and other[] murmur whose cause has not been determined with certainty History of high blood pressure Prior evaluation or treatment for a cardiac condition Restriction from activity because[] Torsades de pointes is a sub-group of polymorphic VT in patients with an underlying prolonged QT interval, sometimes related to hypomagnesaemia.[]

  • Dilated Cardiomyopathy

    Mutations in PRKAG2, which encodes the γ2 subunit of AMP-activated protein kinase (AMPK), produce a phenocopy of hypertrophic cardiomyopathy accompanied by the WolffParkinsonWhite[] There may also be a fast or slow heart beat and the doctor may hear an abnormal heart sound (heart murmur) through a stethoscope, or a large heart may be visible on an x-[] Electrocardiographic (ECG) changes include nonspecific ST segment and T wave changes, decreased QRS voltage, prolonged QT interval, and sinus tachycardia.[]

  • Congestive Heart Failure

    He was diagnosed with late onset of Wolff-Parkinson-White syndrome, and congestive heart failure was probably caused by rapid ventricular response of atrial fibrillation through[] Miscellaneous Prescription Medications QT-Prolonging Medications Drug-induced prolongation of the QT interval is a significant and potentially dangerous drug toxicity that[] The possibility of traumatic ventricular septal defect should be considered in all multiple-trauma patients who develop a new heart murmur, even when overt chest-wall injury[]

  • Third Degree Atrioventricular Block

    Review Topic QID: 100524 1 Wolff-Parkinson-White syndrome 2 Second degree Mobitz type I AV block 3 Second degree Mobitz type II AV block 5 Third degree (complete) AV block[] Palpation may reveal hepatomegaly in heart failure patients, while auscultation reveals pulmonary rales, variable first heart sound, murmurs caused by mitral or aortic calcification[] Three days after the initial event, a new cardiac murmur and complete heart block appeared.[]

  • Diffuse Intraventricular Block

    For example, Wolff-Parkinson-White syndrome (WPW) , pacemaker stimulated beats, electrolyte imbalance and medications may prolong the QRS complex.[] Antiarrhythmics Anti-arrhythmics: These may lead to several ECG-changes; Broad and irregular P-wave Broad QRS complex Prolonged QT interval (brady-, tachycardia, AV-block,[] A friction rub suggests pericarditis and a loud pulmonic component of the second heart sound and murmurs of tricuspid regurgitation and pulmonic insufficiency may be associated[]

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