• Archive for September, 2013

    Congenital abnormalities of the vessels

    by  • 10/09/2013 • Cardiology

    Arteriovenous fistula Abnormal communication between an artery and vein Origin:  Primary = congenital o Secondary = trauma, inflammation or healed ruptured aneurysm    Fistulas may cause shunting of blood, bypassing circulations and increasing venous return, therefore increasing cardiac output.  May predispose to heart failure.  May be seen in Pagets disease...

    Read more →

    Neoplastic Vascular Disease

    by  • 09/09/2013 • Cardiology

    Benign tumours and related conditions Hemangioma (=benign, children, strawberry lesion on face/scalp/CNS/liver/mucous membranes, can result of trauma ).  Common  Especially in children.  Make up approximately 7% of all benign tumours.   Capillary hemangioma o Occur mostly in skin and mucous membranes o Well-defined, encapsulated aggregates of capillaries o May be...

    Read more →

    Cardiac Cancers

    by  • 05/09/2013 • Cardiology

    Neoplastic heart disease  Primary cardiac tumours  Extremely rare.  Increased risk of emboli/DVT/PE in neoplastic patients!   Myxoma  25% of primary cardiac tumours.  Presentation at any age but mostly in adults  75% occur in left atrium.  Can be polyploid or pedunculated masses, arising from undifferentiated connective tissue in...

    Read more →

    Marfans Syndrome

    by  • 03/09/2013 • Cardiology

    Definition Connective tissue disorder (collagen synthesis), with a marfan habitus Incidence 1 in 5000 Presentation  Skeletal abnormalities:  Tall stature  Arm span greater than height  Arachnodactyly – long fingers  Sternal depression  Lax joints  High arched palate   Cardiovascular:  Ascending aortic aneurysm formation  Aortic dissection (p/c: tearing...

    Read more →

    Ehlers Danlos Syndrome

    by  • 01/09/2013 • Cardiology

    Definition Heterogenous group of defects of collage causing fragility and hyperelasticity of connective tissues and blood vessels Presentation  Easy bruising  Paper-thin scars  Hypermobility of joints  Weak aortic walls  Weak gut walls   Pathophysiology Types I, II and III – biochemical basis is unknown. Type IV – involves arteries, the...

    Read more →