Ferri – Avascular Necrosis
Avascular Necrosis Fred F. Ferri, M.D. Basic Information Definition Avascular necrosis (AVN) is ischemic death of bone due to insufficient blood supply. It is not […]
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Ferri – Autosomal Dominant Polycystic Kidney Disease (ADPKD)
Autosomal Dominant Polycystic Kidney Disease (ADPKD) Bharathi V. Reddy, M.D. Arlene Chapman, M.D. Basic Information Definition Autosomal dominant polycystic kidney disease (ADPKD) is a systemic […]
Ferri – Autoimmune Hepatitis
Autoimmune Hepatitis Andreea M. Catana, M.D. Kittichai Promrat, M.D. Basic Information Definition Autoimmune hepatitis (AIH) is a chronic inflammatory condition of the liver characterized by […]
Ferri – Asthma-COPD Overlap Syndrome
Asthma-COPD Overlap Syndrome Rania Esteitie, M.D. Samaan Rafeq, M.D. Basic Information Definition • The asthma and chronic obstructive pulmonary disease (COPD) overlap syndrome (ACOS) is […]
Ferri – Aspiration Pneumonia
Aspiration Pneumonia Glenn G. Fort, M.D., M.P.H. Basic Information Definition Aspiration pneumonia is a vague term that refers to pulmonary abnormalities following abnormal entry of endogenous […]
Ferri – Ascariasis
Ascariasis Glenn G. Fort, M.D., M.P.H. Basic Information Definition Ascariasis is a parasitic infection caused by the nematode Ascaris lumbricoides. The majority of those infected are asymptomatic; […]
Ferri – Aortic Stenosis
Aortic Stenosis Denisa Hagau, M.D. Basic Information Definition Aortic stenosis (AS) is obstruction to left ventricular systolic outflow across the aortic valve. Symptoms typically appear […]
Ferri – Aortic Regurgitation
Aortic Regurgitation Denisa Hagau, M.D. Basic Information Definition Aortic regurgitation (AR) is retrograde blood flow into the left ventricle from the aorta as a result […]
Ferri – Aortic Dissection
Aortic Dissection Meghana Rao, M.D. Philip Stockwell, M.D. Basic Information Definition Aortic dissection is part of a spectrum of aortic pathologies (acute aortic syndromes) that […]
Ferri – Aortic Coarctation
Aortic Coarctation C. Russell Chen, M.D. Pranav M. Patel, M.D. Basic Information Definition Coarctation of the aorta is a narrowing of the aorta that occurs […]