Clinical Manifestations of Right-to-Left Shunt
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Questions and Answers

Which type of atrial septal defect is the most common?

  • Atrial septal defects are equally common in all types
  • Ostium secundum defect (correct)
  • Sinus venosus defect
  • Ostium primum defect

What is the major consequence of all types of atrial septal defects?

  • Dilated left heart chambers
  • Pulmonary hypertension (correct)
  • Aortic stenosis
  • Systemic circulation resistance

Which area is affected by ostium primum defect?

  • Near the orifice of the inferior vena cava
  • Superior to the fossa ovalis near the orifice of the superior vena cava
  • In the area inferior to the fossa ovalis (correct)
  • In the area of the fossa ovalis

What can follow the development of pulmonary hypertension in atrial septal defects?

<p>Shunt reversal and cyanosis (A)</p> Signup and view all the answers

What is the reason for lower resistance to blood flow across the atrial septal defect with left-to-right shunt?

<p>Lower resistance in the right heart and lungs than in the systemic circulation (B)</p> Signup and view all the answers

When does pulmonary hypertension usually develop in patients with atrial septal defects?

<p>After the patient’s third decade (A)</p> Signup and view all the answers

Which imaging technique is most valuable for delineating the shunt in patients with a larger ductal defect?

<p>Echocardiography (D)</p> Signup and view all the answers

What is a significant complication associated with Coarctation of the Aorta in patients in the second and third decades?

<p>Cerebral arterial rupture (B)</p> Signup and view all the answers

What is a common manifestation of Coarctation of the Aorta in older children?

<p>Mild fatigue (B)</p> Signup and view all the answers

In which patients is prophylaxis against infective endocarditis appropriate?

<p>All cases of Coarctation of the Aorta (A)</p> Signup and view all the answers

What is the most likely finding on ECG for patients with Coarctation of the Aorta?

<p>Left ventricular hypertrophy (C)</p> Signup and view all the answers

What kind of defect characterizes Tetralogy of Fallot?

<p>A large ventricular septal defect (B)</p> Signup and view all the answers

What is a common radiological finding associated with Coarctation of the Aorta?

<p>Figure-three configuration of the left aortic margin (D)</p> Signup and view all the answers

Which diagnostic test demonstrates LA and LV hypertension and a significant systolic pressure across the coarctation?

<p>Cardiac Catheterization (B)</p> Signup and view all the answers

What is present in approximately half of patients with Coarctation of the Aorta?

<p>Bicuspid aortic valve (A)</p> Signup and view all the answers

What is indicated in cases where patients do not respond dramatically to decongestive measures for Coarctation of the Aorta?

<p>Surgical treatment (D)</p> Signup and view all the answers

What is an important feature of Tetralogy of Fallot's pathology?

<p>Malformed and stenotic pulmonary valve (A)</p> Signup and view all the answers

Which test offers diagnostic confirmation through Doppler flow pattern and gradient estimates for Coarctation of the Aorta?

<p>Echocardiography (B)</p> Signup and view all the answers

What is the typical age at which most cases of tetralogy of Fallot are recognized due to cyanosis?

<p>In the first few months of life (B)</p> Signup and view all the answers

Which symptom is common in individuals with tetralogy of Fallot?

<p>Hyperpnea (A)</p> Signup and view all the answers

What is the term used for attacks of suddenly increasing cyanosis and hyperpnea that occur in infants and young children with tetralogy of Fallot?

<p>Hypoxic spells (A)</p> Signup and view all the answers

In individuals with tetralogy of Fallot, what is seen in those with cyanosis of more than 3 months’ duration?

<p>Clubbing (D)</p> Signup and view all the answers

What type of murmur is usually audible at the left midsternal border in individuals with tetralogy of Fallot?

<p>Systolic ejection murmur (A)</p> Signup and view all the answers

What is characteristic in the chest X-ray of individuals with tetralogy of Fallot during childhood?

<p>&quot;Coeur en sabot&quot; (D)</p> Signup and view all the answers

Which condition is confirmed by the presence of a large ventricular septal defect with right-to-left shunting and delineation of the severity and location of the right ventricular outflow tract obstruction?

<p>Tetralogy of Fallot (A)</p> Signup and view all the answers

Which structural components can be demonstrated using echocardiography in tetralogy of Fallot?

<p>All structural components including the level of RV outflow tract obstruction (D)</p> Signup and view all the answers

What should be frequently evaluated to avoid the development of severe polycythemia or relative anemia in individuals with tetralogy of Fallot?

<p>Hemoglobin and hematocrit levels (B)</p> Signup and view all the answers

What is common in individuals with tetralogy of Fallot due to complications of cyanosis and polycythemia?

<p>Brain abscess and stroke (A)</p> Signup and view all the answers

What position is used for treating hypoxic spells in individuals with tetralogy of Fallot?

<p>Knee-chest position (A)</p> Signup and view all the answers

What intervention is indicated at any age for patients with progressive symptoms?

<p>Prompt surgical intervention (C)</p> Signup and view all the answers

Which murmur is most likely to be heard in patients with ostium primum defects?

<p>Midsystolic crescendodecrescendo murmur at the left upper sternal border due to increased right ventricular stroke volume (D)</p> Signup and view all the answers

Which diagnostic test may identify patients with increased pulmonary arterial resistance and shunt reversal in atrial septal defect (ASD)?

<p>Pulse oximetry at rest and with exercise (D)</p> Signup and view all the answers

What is considered the standard of care to guide closure of interatrial communications?

<p>TEE-TRANSESOPHAGEAL ECHOCARDIOGRAPHY (A)</p> Signup and view all the answers

What is characteristic of the electrocardiogram in atrial septal defect (ASD)?

<p>rsR’ pattern in the right precordial leads (B)</p> Signup and view all the answers

What is recommended for closure just prior to school age for patients with a significant shunt with a flow ratio Qp/Qs of 1.5:1?

<p>Surgery or interventional closure (B)</p> Signup and view all the answers

What type of VSD is classified as the most common type?

<p>Paramembranous defects (A)</p> Signup and view all the answers

Which functional alteration depends on the size of the ventricular septal defect (VSD)?

<p>Left-to-right shunt (B)</p> Signup and view all the answers

Which of the following is a common complication associated with atrial septal defect (ASD)?

<p>Infective endocarditis (B)</p> Signup and view all the answers

What may be necessary to determine detailed hemodynamics in patients with atrial septal defect (ASD)?

<p>Cardiac Catheterization (B)</p> Signup and view all the answers

What may be necessary if pulmonary hypertension is present in patients with atrial septal defect (ASD)?

<p>Surgery or interventional closure (D)</p> Signup and view all the answers

Which of the following is a clinical manifestation of VSD?

<p>Step up in oxygen saturation at the RV level (A)</p> Signup and view all the answers

What is a common clinical manifestation associated with PDA?

<p>Cyanosis involving the left arm and hand and the lower segment of the body (D)</p> Signup and view all the answers

What is the typical finding in infants with VSD?

<p>Continuous or machinery murmur at the left upper sternal border (A)</p> Signup and view all the answers

What is a common physical examination finding in infants with PDA?

<p>Loud, harsh holosystolic murmur at the lower left sternal border (B)</p> Signup and view all the answers

What diagnostic test permits visualization of most VSD defects of significant size?

<p>Echocardiography (C)</p> Signup and view all the answers

What is a potential complication associated with large VSD defects?

<p>Progressive aortic regurgitation (B)</p> Signup and view all the answers

What is a significant volume overload on the right side of the heart associated with?

<p>Small VSDs (D)</p> Signup and view all the answers

What condition may result from large VSD defects?

<p>Pulmonary vascular disease (C)</p> Signup and view all the answers

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