Hemodynamic definition of 'Isolated post-capillary Pulmonary Hypertension' is
- A. Pulmonary artery wedge pressure > 15 mm Hg
- B. Right ventricular systolic pressure > 36 mm Hg
- C. Diastolic pressure gradient < 7 mm Hg
- D. Pulmonary vascular resistance > 3 Wood units
Correct Answer: A
Rationale: Isolated post-capillary pulmonary hypertension is defined by a pulmonary artery wedge pressure greater than 15 mm Hg.
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Family discharge teaching has been effective when the parent of a toddler diagnosed with Kawasaki disease (KD) states:
- A. The arthritis in her knees is permanent. She will need knee replacements.
- B. I will give her diphenhydramine (Benadryl) for her peeling palms and soles of her feet.
- C. I know she will be irritable for 2 months after her symptoms start.
- D. I will continue with high doses of Tylenol for her inflammation.
Correct Answer: C
Rationale: This statement indicates the parent understands that irritability may persist for about 2 months after symptom onset in KD.
Pulmonary venous hypertension is a feature of
- A. Large ostium secundum defect with left to right shunt
- B. large ventricular septal defect with left to right shunt
- C. large pulmonary arteriovenous malformation
- D. Tricuspid atresia with restrictive atrial septal defect
Correct Answer: B
Rationale: Pulmonary venous hypertension is a feature of large ventricular septal defect with left to right shunt.
The following diseases have diagnostic EEG findings:
- A. Petit mal epilepsy
- B. Infantile spasms
- C. Acute measles encephalopathy
- D. Herpes encephalitis
Correct Answer: B
Rationale: Infantile spasms, also known as West syndrome, have a characteristic EEG pattern called hypsarrhythmia, which is diagnostic.
While assessing a newborn with respiratory distress, the nurse auscultates a machine-like heart murmur. Other findings are a wide pulse pressure, periods of apnea, increased PaCO2, and decreased PO2. The nurse suspects that the newborn has:
- A. Pulmonary hypertension
- B. Patent ductus arteriosus (PDA)
- C. Ventricular septal defect (VSD)
- D. Bronchopulmonary dysplasia
Correct Answer: B
Rationale: A machine-like murmur is the hallmark of a PDA.
The predominant manifestations of primary pulmonary hypertension include the following EXCEPT
- A. exercise intolerance
- B. precordial chest pain
- C. syncope
- D. low arterial oxygen saturation
Correct Answer: B
Rationale: Precordial chest pain is not a typical manifestation of primary pulmonary hypertension.