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All posts with tag: "cardiology"

PEM Questions

(Click the link to comment and to vote - voting not working through email, sorry!) You are evaluating the electrocardiogram of a 2 year old boy. The patient presented for fever and the ECG was inadvertently ordered on him instead of another patient. [yop_poll id="21"]
(Click the link to comment and to vote - voting not working through email, sorry!) A 6 week old ex-30 4/7 weeks twin A male infant was seen at an outside clinic because his parents felt that his heart was beating faster than his twin sibling’s and was found to have a hemoglobin of 7.9 g/dL. The clinic referred him in to the ED for blood transfusion and hematology consultation. The heart rate is 165 bpm on the monitor, blood pressure is 74/40, cap refill is < 2 seconds, and color is pink. The remainder of his CBC is normal, and the patient is afebrile, feeding and growing well, and asymptomatic except for his heart rate. Reticulocyte count is 4.77%. [yop_poll id="20"]
(Click the link to comment and to vote - voting not working through email, sorry!) An 8 year old boy presents after taking 3-4 of grandma’s pills about an hour prior. It is unknown what Grandma takes, but she has “chronic pain, a heart condition, high blood pressure, and sugar problems”. He is altered, but arousable to stimuli and answers questions. He says he took the pills because he was “curious.” His vital signs are: Temp 36.6, HR 49, RR 12, BP 80/40, O2 sat 98% on room air. Physical exam is significant only for miosis, bradycardia, and somewhat weak pulses. Bedside glucose is 100. [yop_poll id="18"]
A 14yo boy presents with fever and chest pain for 2 days. The chest pain is pleuritic and worse with leaning back. On examination, lung sounds are clear bilaterally, heart is regular with no murmurs, but a friction rub is heard. Which of the following is true of this condition? A. Treatment of choice is NSAID therapy B. All patients must be admitted to the hospital on a cardiac monitor C. CXR is always abnormal D. Electrocardiogram most commonly shows ST elevation isolated to leads II, III, and aVF E. Pain is rarely referred to shoulder or back
A 12yo boy with very high risk ALL, recent chemotherapy 4 days prior, presents to the ED with fever and lethargy. Temperature is 39C, HR 180, RR 24, BP 80/50.  The patient is lethargic, has no nuchal rigidity, lungs are clear to auscultation, heart is tachycardic but regular rate and rhythm, abdominal exam is benign, and there is no rash. Pulses are bounding, there is flash capillary refill, skin is warm and dry. After adequate fluid resuscitation, cultures, and empiric antibiotics, the patient remains hypotensive. The next best treatment is: A. Dopamine IV at 5 mcg/kg/min B. Epinephrine IV at 0.1 mcg/kg/min C. Norepinephrine IV at 0.1 mcg/kg/min D. Dobutamine IV at 5 mcg/kg/min E. Hydrocortisone 1 mg/kg IV
17yo boy with long legs and arms, h/o scoliosis and mild pectus excavatum, hyperextensibility of the thumbs, presents with sudden onset ripping quality chest pain and feeling lightheaded. On exam, patient is anxious appearing, afebrile, HR 105, BP 98/45, RR 14, pulse ox 98% RA, alert, HEENT non-revealing, Lungs BCTA, Cor RRR with mid-systolic click followed by a late systolic murmur at the apex, Abd soft ND NT, Extremities and Skin non-contributory.  Of the following, which diagnostic study is the best choice? A) POC troponin B) Arterial blood gas C) Bedside ultrasound looking for lung sliding D) CT angiogram E) CT abdomen

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