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20 Possible Causes for Heart Murmur, Systolic Thrill at Lower Left Sternal Border

  • Patent Ductus Arteriosus

    Symptoms A heart murmur is usually the first sign of PDA newborns. A small PDA may not cause significant problems, so it is usually not treated.[preemies.about.com] , failure to thrive, tachycardia, heart murmur Complications Heart failure, Eisenmenger's syndrome, pulmonary hypertension Causes Idiopathic Risk factors Preterm birth, congenital[en.wikipedia.org] Heart murmurs also have other causes besides PDA, and most murmurs are harmless.[pediatricct.surgery.ucsf.edu]

  • Aortic Valve Stenosis

    A heart murmur is a sound created by turbulent blood flow through narrowed or leaking heart valves or through abnormal heart structures.[merckmanuals.com] When to see a doctor If you have a heart murmur, your doctor may recommend that you visit a cardiologist.[mayoclinic.com] A doctor suspects aortic valve stenosis after detecting a particular heart murmur and sometimes a clicking sound when listening to the heart.[merckmanuals.com]

  • Ventricular Septal Defect

    A murmur is a sound generated by abnormally turbulent flow of blood through the heart.[medicinenet.com] 3 to 4/6 holosystolic murmur (with or without thrill) at the lower left sternal border; this murmur is usually audible within the first few days of life (see table Heart[msdmanuals.com] Muscular defects can be heard along the lower left sternal border and may vary in intensity as the defect size changes with muscular contraction throughout systole.[circ.ahajournals.org]

  • Large Ventricular Septal Defect

    3 to 4/6 holosystolic murmur (with or without thrill) at the lower left sternal border; this murmur is usually audible within the first few days of life (see table Heart[merckmanuals.com] A murmur is a sound generated by abnormally turbulent flow of blood through the heart.[medicinenet.com] The blood flowing through the hole creates an extra noise, which is known as a heart murmur.[kidshealth.org]

  • Tricuspid Valve Insufficiency

    The main sign of heart valve disease is an unusual heartbeat sound called a heart murmur. Your doctor can hear a heart murmur with a stethoscope.[icdlist.com] In severe TR, a right jugular venous thrill may be palpable, as may systolic hepatic pulsation and an RV impulse at the left lower sternal border.[merckmanuals.com] Diagnosis A leaky valve can be heard with a stethoscope; the sound is called a heart murmur.[medical-dictionary.thefreedictionary.com]

  • Tetralogy of Fallot

    Another common sign of tetralogy of Fallot is a heart murmur. A heart murmur is an extra or unusual sound that doctors might hear while listening to the heart.[web.archive.org] Systolic thrill at the lower left sternal border. Aortic ejection click.[patient.info] We present the case of an 18-day-old male infant who had cyanosis and a heart murmur.[ncbi.nlm.nih.gov]

  • Acyanotic Congenital Heart Disease

    Physical Signs Systolic thrill at the lower and middle left sternal border Loud single S2 Loud systolic ejection murmur at the lower left sternal border With increasing right[rcemlearning.co.uk] Heart murmurs. See also separate Heart Murmurs in Children article: Not all murmurs are pathological.[patient.info] Auscultatory findings Harsh h olosystolic murmur over the left lower sternal border ; typically louder in small defects Mid- diastolic murmur over cardiac apex Systolic thrill[amboss.com]

  • Left to Right Cardiac Shunt

    Auscultatory findings Harsh h olosystolic murmur over the left lower sternal border ; typically louder in small defects Mid- diastolic murmur over cardiac apex Systolic thrill[amboss.com] Heart murmurs Arrhythmias Enlargement of the right side of the heart Enlargement of the pulmonary artery Dizziness Fatigue Exertional dyspnea – shortness of breath with physical[healthhype.com] Heart murmurs. See also separate Heart Murmurs in Children article: Not all murmurs are pathological.[patient.info]

  • Right to Left Shunt

    Auscultatory findings Harsh h olosystolic murmur over the left lower sternal border ; typically louder in small defects Mid- diastolic murmur over cardiac apex Systolic thrill[amboss.com] Small ventricular septal defects, which did not close spontaneously in childhood, result in a distinctive heart murmur.[pted.org] Murmur of VSD dates from birth at lower left sternal border – Obligatory flow across VSD; does not await the neonatal fall in PVR. – Holosystolic if mild PS and decrescendo[slideshare.net]

  • Congenital Absence of Ductus Arteriosus

    Physical Signs Systolic thrill at the lower and middle left sternal border Loud single S2 Loud systolic ejection murmur at the lower left sternal border With increasing right[rcemlearning.co.uk] Symptoms A heart murmur is usually the first sign of PDA newborns. A small PDA may not cause significant problems, so it is usually not treated.[verywell.com] Auscultatory findings Harsh h olosystolic murmur over the left lower sternal border ; typically louder in small defects Mid- diastolic murmur over cardiac apex Systolic thrill[amboss.com]

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