<prompt> Radiological features of left ventricular hea failure are all, EXCEPT:Kerley B linesCardiomegalyOligemic lung fieldsIncreased flow in upper lobe veins  <response>: Classic signs of acute hea failure that can be seen on a chest x-ray of left ventricular failure are: Cardiomegaly Upper lobe blood diversion Bats wing alveolar edema Pleural effusions Echocardiography is the investigation of choice and can identify and quantify LVH and dysfunction both systolic and diastolic as well as examine causes of hea failure, such as valve abnormalities. Oligemic lung fields seen in Pulmonary atresia, stenosis; Ebsteins anomaly. Also Know: Chest X ray Findings Boot shaped hea - TOF 3like appearance - Coarctation of aoa. Figure of 8- TAPVCTotal anomalous pulmonary venous connection Bat wings appearance -Pulmonary edema. Ref: ORourke R.A., Gilkeson R.C. 2011. Chapter 17. Cardiac Radiography. In V. Fuster, R.A. Walsh, R.A. Harrington Eds, Hursts The Hea, 13e. 