In this episode, we explore anomalous pulmonary venous return (APVR), including its types, associated conditions, and management. What is the difference between total anomalous pulmonary venous return (TAPVR) and partial anomalous pulmonary venous return (PAPVR)? How do supracardiac, cardiac, infracardiac, and mixed types of TAPVR differ? Which ASD type is most commonly associated with PAPVR? What are the physiologic consequences of right heart overload caused by APVR, and what are the criteria for surgical intervention? How is Scimitar syndrome diagnosed and managed, and when should surgery be considered for this rare condition? Lastly, we will touch upon persistent superior vena cava syndrome. Tune in for answers to these questions.

Difficulty Level: Advanced

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In this episode, we explore atrioventricular septal defects (AVSD), covering its types, physiology, and when to intervene. How do complete, partial, transitional, and intermediate AV septal defects differ in structure and physiology? What are the anatomic and functional consequences of a primum ASD with cleft mitral valve, and how does this affect the mitral valve's position relative to the tricuspid valve? What challenges do patients with AVSD face post-surgery, including risks of mitral regurgitation, left ventricular outflow tract obstruction, and arrhythmias? When is surgery recommended for AVSD, and what are the key considerations for long-term follow-up? Tune in for answers to these questions.

Difficulty Level: Advanced

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In this episode, we review ventricular septal defects (VSDs), including their types, physiology, and management. What are the differences between inlet, outlet, membranous, and trabecular VSDs? How do these defects vary in terms of location, association with other cardiac conditions, and suitability for percutaneous closure? Which VSD types tend to have aortic cusp prolapse, leading to aortic regurgitation? If you see a color jet from a VSD in parasternal short axis view, what is the significance of the color jet being adjacent to the tricuspid valve versus being adjacent to the pulmonary valve? What are the physiologic consequences of left-to-right shunting in VSDs, and how does this lead to left heart dilation, pulmonary overcirculation, and potential progression to Eisenmenger syndrome? What are the criteria for VSD closure? Which is the only VSD type that is amenable to percutaneous closure? Tune in for answers to these questions.

Difficulty Level: Advanced

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

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In this episode, we review patent foramen ovale (PFO), including its types, physiology, presentation, and when to intervene. How does a PFO differ from an atrial septal defect (ASD), and why does PFO not cause the right heart enlargement and pulmonary hypertension seen in ASD? What is platypnea-orthodeoxia syndrome? What can cause platypnea-orthodeoxia syndrome other than PFO? What features on brain MRI suggest that the etiology of an ischemic stroke is cardioembolic? What features on echocardiography distinguish between PFOs and ASDs? How can PFOs contribute to cryptogenic stroke, and what high-risk features indicate the need for closure? 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 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

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In this episode, we review highlights of cardiovascular considerations in pregnancy. How does pregnancy affect blood volume, systemic vascular resistance, pulmonary vascular resistance, heart rate, and cardiac output? What routine physical exam findings in pregnancy that can mimic heart disease, and what physical exam findings are abnormal in pregnancy? How do LV mass, chamber size, and LV outflow tract velocity time integral (VTI) change in pregnancy? What is the effect of labor and delivery on cardiac output, blood volume, and venous return? What conditions comprise WHO risk class IV pregnancy patients? If a patient with peripartum cardiomyopathy has recovery of LV ejection fraction to >=50%, which WHO pregnancy class does that place them in? Are aspirin, clopidogrel, and heparin safe in pregnancy? What is the difference between gestational hypertension, pre-eclampsia, and eclampsia? What severe features comprise the diagnosis of pre-eclampsia with severe features? What is the target blood pressure in pregnancy? Tune in for answers to these questions.

Difficulty Level: Intermediate

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In this episode, we review cardiac masses, including primary benign, primary malignant, and secondary (metastatic) cardiac tumors. Are malignant tumors much more likely to occur in the ventricles or the atria? If you see a myxoma in any cardiac chamber other than the left atrium, what syndromic complex should you suspect? What echocardiographic features distinguish benign and malignant cardiac masses? Which type of sarcoma is the most common primary cardiac tumor? What are the most common sources of metastatic cancer to the heart? Which cardiac chamber or junction would you find the moderator band, eustachian valve, crista terminalis, and Chiari network, which may be mistaken as cardiac masses? In what situation is resection of a papillary fibroelastoma indicated? How can you differentiate between Lambl's excrescences, fenestrated aortic valve, and nonbacterial thrombotic endocarditis? Tune in for answers to these questions.

Difficulty Level: Intermediate

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In this episode, we review orthostatic hypotension (OH). What criteria define OH? What is a simple way to distinguish neurogenic OH from volume depletion-related OH? What criteria define postural orthostatic tachycardia syndrome (POTS)? What non-pharmacologic measures should be undertaken as first-line measures for OH? How do fludrocortisone, midodrine, droxidopa, and atomoxetine work, and what are their side effects? How is supine hypertension managed? 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 explore the diagnosis and management of three important causes of secondary hypertension: renovascular hypertension, primary aldosteronism, and pheochromocytoma. Which segments of the renal artery are preferentially affected by atherosclerotic renovascular hypertension versus fibromuscular dysplasia, and which is more likely to be accompanied by disease in other arterial beds? What characteristics suggest that a patient may benefit from renal artery revascularization? What next steps do you pursue if a plasma aldosterone to renin ratio exceeds 20? How do you differentiate between unilateral adenoma and bilateral adrenal hyperplasia? When would you pursue a MIBG scan in pheochromocytoma? 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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