Cardionerds: A Cardiology Podcast podcast

297. Case Report: A Sinister Cause of Sudden Cardiac Death – University of Washington

15 Sekunden vorwärts
15 Sekunden vorwärts
CardioNerds (Daniel Ambinder) join Dr. Tomio Tran, Dr. Vid Yogeswaran, and Dr. Amanda Cai from the University of Washington for a break from the rain at the waterfront near Pike Place Market. They discuss the following case: A 46-year-old woman presents with cardiac arrest and was found to have cor triatriatum sinistrum (CTS). CTS is a rare congenital cardiac malformation in which the left atrium is divided by a fenestrated membrane, which can restrict blood flow and cause symptoms of congestive heart failure. Rarely, the condition can present in adulthood. To date, there have been no cases of sudden cardiac death attributed to CTS. Dr. Jill Steiner provides the E-CPR for this episode. Audio editing by CardioNerds Academy Intern, student doctor Akiva Rosenzveig. CardioNerds is collaborating with Radcliffe Cardiology and US Cardiology Review journal (USC) for a ‘call for cases’, with the intention to co-publish high impact cardiovascular case reports, subject to double-blind peer review. Case Reports that are accepted in USC journal and published as the version of record (VOR), will also be indexed in Scopus and the Directory of Open Access Journals (DOAJ). CardioNerds Case Reports PageCardioNerds Episode PageCardioNerds AcademyCardionerds Healy Honor Roll CardioNerds Journal ClubSubscribe to The Heartbeat Newsletter!Check out CardioNerds SWAG!Become a CardioNerds Patron! Case Media - A Sinister Cause of Sudden Cardiac Death – University of Washington A 40-year-old woman with a history of recurrent exertional syncope had sudden loss of consciousness while kissing her partner. The patient received bystander CPR while 911 was called. EMS arrived within 10 minutes of the call and found the patient apneic and unresponsive. Initial rhythm check showed narrow complex tachycardia at a rate of 136 BPM. ROSC was eventually achieved. A 12-lead ECG showed that the patient was in atrial fibrillation with rapid ventricular rate. The patient was intubated and brought to the emergency department. The patient spontaneously converted to sinus rhythm en route to the hospital. In the emergency department, vital signs were remarkable for hypotension (76/64 mmHg) and sinus tachycardia (110 BPM). The physical exam was remarkable for an inability to follow commands. Laboratory data was remarkable for hypokalemia (2.5 mmol/L), transaminitis (AST 138 units/L, ALT 98 units/L), acidemia (pH 7.12), and hyperlactatemia (11.2 mmol/L). CT scan of the chest revealed a thin membrane within the left atrium. Transthoracic echocardiogram showed normal biventricular size and function, severe tricuspid regurgitation, pulmonary artery systolic pressure of 93 mmHg, and the presence of a membrane within the left atrium with a mean gradient of 25 mmHg between the proximal and distal left atrial chambers. Vasopressors and targeted temperature management were initiated. The patient was able to be re-warmed with eventual discontinuation of vasopressors, however she had ongoing encephalopathy and seizures concerning for hypoxic brain injury. There was discussion with the adult congenital heart disease team about next steps in management, however the patient was too sick to undergo any definitive treatment for the intracardiac membrane within the left atrium. The patient developed ventilator associated pneumonia and antibiotics were initiated. The patient ultimately developed  bradycardia and pulseless electrical activity; ROSC was unable to be achieved, resulting in death. Autopsy was remarkable for the presence of a fenestrated intracardiac membrane within the left atrium and lack of other apparent congenital heart defects. There was right ventricular hypertrophy and pulmonary artery intimal thickening with interstitial fibrosis suggestive of pulmonary hypertension. There were bilateral acute subsegmental pulmonary emboli present. The cause of death was declared to be arrhythmia in the setting of pulmonary hypertension and right s...

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