Hu Said: Cardiology Board Review Series – Détails, épisodes et analyse

In this episode, we review atrial septal defects (ASDs), including their types, imaging, and management. What is the difference between secundum defect, primum defect, sinus venosus defect, and coronary sinus defect? Which is the only ASD defect out of the four that can be percutaneously closed (in addition to surgically closed)? Which ASD type is accompanied by anomalous pulmonary venous return? What are the physiologic consequences of left-to-right shunting in ASDs, and how can these lead to pulmonary hypertension and RV failure? What is Holt-Oram syndrome? What are the criteria for ASD closure? Tune in for answers to these questions.

Difficulty Level: Advanced

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In this episode, we review the epidemiology of congenital heart diseases and develop a framework for categorizing them by cyanotic and non-cyanotic disorders, and go over physiologic concepts across congenital conditions. What are the 5 'T' disorders that are characterized by cyanosis? What are the non-T disorders that can develop cyanosis? What is the tipping point for Eisenmenger syndrome to occur? What are the non-cardiac manifestations of Eisenmenger syndrome? Is phlebotomy appropriate in Eisenmenger syndrome? What is the role of bosentan and sildenafil/tadalafil in Eisenmenger syndrome? What Qp/Qs ratio indicates a large left-to-right shunt that requires repair? What Qp/Qs ratio indicates a a small left-to-right shunt? What Qp/Qs ratio indicates net right-to-left shunting? What is the Flamm formula for calculating mixed venous saturation proximal to a transatrial shunt? What should you suspect if pulmonary oxygen saturation exceeds 80%, or is 8% higher than the superior vena cava's oxygen saturation? What is the difference between physiologic shunting and anatomic shunting? What conditions comprise ACHD physiologic stages A, B, C, and D? Tune in for answers to these questions.

Difficulty Level: Intermediate

You are listening to Hu Said: Cardiology Board Review Series (2024-2025 Season)

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In this episode, we review the essentials of pulmonary hypertension (PH), including the five groups. What echocardiographic findings allow you to distinguish between pre-capillary and post-capillary PH without information from right heart catheterization? In patients with PH non-vasoresponsive to nitric oxide, how do you decide whether to use phosphodiesterase-5 inhibitors (PDE-5 inhibitors), prostacyclin analogs, endothelin receptor antagonists (ERAs), or soluble guanylate cyclase stimulators (sGCS)? What is the criteria for vasorespose to nitric oxide, and how does the results of that testing change management? In patients with chronic thromboembolic pulmonary hypertension (CTEPH), how do you decide whether to offer pulmonary endarterectomy (PEA), balloon pulmonary angioplasty (BPA), or sGCS? Tune in for answers to these questions.

Difficulty Level: Easy

You are listening to Hu Said: Cardiology Board Review Series (2024-2025 Season)

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In this episode, we dive into the pathophysiology, diagnosis, and treatment of inflammatory pericarditis. How do diagnostic criteria differ for first-time pericarditis and recurrent pericarditis? What is the sequence of ECG changes over the course of pericarditis? How many components would you expect to hear in a pericardial friction rub? Is post-MI pericarditis the same thing as Dressler's syndrome? What medications should be avoided? Can athletes who develop pericarditis play in competitive sports? Tune in for answers to these questions.

Difficulty Level: Easy

You are listening to Hu Said: Cardiology Board Review Series (2024-2025 Season)

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In this episode, we review pericardial effusion and cardiac tamponade. What is the definition of small, moderate, and large pericardial effusion? What is ventricular interdependence? What is pulsus paradoxus? What conditions can cause a false positive or false negative pulsus paradoxus? What comprises Beck's triad? What are seven cardinal findings of tamponade physiology on echocardiography? What common comorbidity can cause RV collapse to be negative in tamponade? How do you distinguish pericardial cysts from pericardial diverticulae and hiatal hernia? What is the appearance of congenital absence of the pericardium on echocardiography? Tune in for answers to these questions.

Difficulty Level: Easy

You are listening to Hu Said: Cardiology Board Review Series (2024-2025 Season)

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In this episode, we continue our review on infective endocarditis (IE), covering antibiotic prophylaxis, prosthesis-related endocarditis, and device-related infections. Which are the high-risk cardiac conditions and high-risk procedures that warrant antibiotic prophylaxis for IE? How do the pathogens differ between early and late prosthetic valve endocarditis, and how do these impact prognosis and treatment? What are the common pathogens associated with endocarditis after transcatheter aortic valve replacement (TAVR), and why is diagnosing TAVR endocarditis particularly challenging? When endocarditis occurs in patients with cardiac devices such as pacemakers or ICDs, when is device removal mandatory? Tune in for answers to these questions.

Difficulty Level: Easy

You are listening to Hu Said: Cardiology Board Review Series (2024-2025 Season)

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In this episode, we review the epidemiology, diagnosis, and management of infective endocarditis (IE). What five cardinal characteristics lead you to suspect a vegetation on echocardiography? Which heart valves are most commonly affected, and how does the microbial etiology differ between IV drug use and non-drug use-related endocarditis? When is it appropriate to repeat transthoracic echocardiography (TTE) or transesophageal echocardiography (TEE)? What features of left-sided endocarditis and right-sided endocarditis should prompt you to refer to early surgery? What is non-bacterial thrombotic endocarditis (NBTE)? Tune in for answers to these questions.

Difficulty Level: Easy

You are listening to Hu Said: Cardiology Board Review Series (2024-2025 Season)

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In this episode, we review pulmonic stenosis (PS) and pulmonic regurgitation (PR). How do you distinguish between the click of pulmonic stenosis, aortic stenosis, Ebstein anomaly, and mitral valve prolapse? What cutoffs in peak velocity and mean gradient define severe, moderate, and mild PS? What is branch PS? Is surgical repair or pulmonary balloon valvuloplasty preferred for the treatment of moderate and severe PS? What echocardiographic findings characterize severe PR? In patients who develop PR as a result of intervention for PS, in what situation is pulmonary valve replacement indicated in the absence of symptoms? Tune in for answers to these questions.

Difficulty Level: Intermediate

You are listening to Hu Said: Cardiology Board Review Series (2024-2025 Season)

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In this episode, we review tricuspid stenosis (TS) and tricuspid regurgitation (TR). What are the echocardiographic criteria for diagnosing severe TS, and how does it differ from that of severe mitral stenosis? Which etiology of TR would have diffuse leaflet thickening with restriction of opening due to commisural fusion, chordal shortening, and calcification with characteristic diastolic doming? Which etiology of TR would have short, thick leaflets with systolic and diastolic restriction? Which etiology of TR would have apical displacement of the tricuspid valve septal and posterior leaflets from the atrioventricular ring? What would the jugular venous pressure and central venous pressure waveform of TR show? What are the qualitative, semiquantitative, and quantitative features on echo for quantifying TR severity? Are there any indications for moderate TR to undergo tricuspid valve surgery? Are there any indications for asymptomatic severe TR to undergo tricuspid valve surgery? Tune in for answers to these questions.

Difficulty Level: Intermediate

You are listening to Hu Said: Cardiology Board Review Series (2024-2025 Season)

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In this episode, we explore how mitral regurgitation (MR) is categorized based on anatomy, leaflet motion, and acuity. Are the A1, A2, A3, P1, P2, P3 scallops/segments of the mitral valve named from medial to lateral or lateral to medial? What is the difference between primary and secondary MR, and what are the most common etiologies of each? How does the Carpentier classification system categorize MR into types I, II, and III, based on leaflet and chord motion? What distinct features of Barlow disease and fibroelastic deficiency contribute to type II MR, and how do they differ in presentation? How does acute severe MR differ from chronic MR in physical exam and Doppler echo findings? What are the characteristic findings of rheumatic and ischemic MR on echocardiography? Tune in for answers to these questions.

Difficulty Level: Intermediate

You are listening to Hu Said: Cardiology Board Review Series (2024-2025 Season)

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More MedEd resources available at ⁠www.rueyhu.com⁠

Updates at Twitter/X: ⁠@Ruey_Hu⁠