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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.[emedicine.com] Pathologically all valves appeared grossly enlarged, severely floppy and had extensive myxomatous changes with collagen dissolution. 80 patients had a pre-existing heart murmur[ncbi.nlm.nih.gov] Her post-resuscitation ECG showed a prolonged QT interval which progressively normalised over the same day.[ncbi.nlm.nih.gov]

  • 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[centogene.com] interval prolongation, T wave inversion, abnormal Q waves , nonspecific abnormalities Laboratory: troponin T ; , BNP Echocardiography : apical left ventricular ballooning[amboss.com] (Heart murmurs are extra or unusual sounds heard during a heartbeat.) Updated: June 22, 2016[web.archive.org]

  • Familial Progressive Cardiac Conduction Defect

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

  • 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[mottchildren.org] Disopyramide can prolong the QT interval, resulting in polymorphic ventricular tachycardia in some patients.[healio.com] To our knowledge, this is the first case in which heart murmurs associated with a diastolic paradoxical jet flow have been clearly described.[ncbi.nlm.nih.gov]

  • 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[resus.me] The heart is auscultated for murmurs; if present, any change in the murmur with a Valsalva maneuver, standing, or squatting is noted.[merckmanuals.com] Electrocardiogram at admission revealed ventricular paced rhythm at 60/min, prolonged QT interval and frequent runs of torsades de pointes.[ncbi.nlm.nih.gov]

  • 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[wexnermedical.osu.edu] 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[chop.edu] Torsades de pointes is a sub-group of polymorphic VT in patients with an underlying prolonged QT interval, sometimes related to hypomagnesaemia.[bestpractice.bmj.com]

  • 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[doi.org] 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-[chfed.org.uk] Electrocardiographic (ECG) changes include nonspecific ST segment and T wave changes, decreased QRS voltage, prolonged QT interval, and sinus tachycardia.[emedicine.com]

  • 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[ncbi.nlm.nih.gov] Miscellaneous Prescription Medications QT-Prolonging Medications Drug-induced prolongation of the QT interval is a significant and potentially dangerous drug toxicity that[doi.org] 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[ncbi.nlm.nih.gov]

  • 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[medbullets.com] Palpation may reveal hepatomegaly in heart failure patients, while auscultation reveals pulmonary rales, variable first heart sound, murmurs caused by mitral or aortic calcification[symptoma.com] Three days after the initial event, a new cardiac murmur and complete heart block appeared.[ncbi.nlm.nih.gov]

  • Diffuse Intraventricular Block

    For example, Wolff-Parkinson-White syndrome (WPW) , pacemaker stimulated beats, electrolyte imbalance and medications may prolong the QRS complex.[ecgwaves.com] 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,[en.ecgpedia.org] 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[clinicaladvisor.com]

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