DAILY FREE MCQ CHALLENGE for Medical PG Preparation Q2

Q2) The typical Chest X-ray findings due to interstitial edema in left ventricular failure is:
A. Cardiomegaly
B. Kerley lines
C. Upper lobe blood diversion
D. Prominent right descending pulmonary artery

Answer: B. Kerley lines

Explanation:

Chest X-ray Features of Left ventricular failure:
:diamonds: Cardiomegaly
:diamonds: Kerley lines
:diamonds: Prominent upper lobe veins
:diamonds: Bat’s wings shadow
:diamonds: Pleural effusion

Kerley B line is due to interstitial oedema.
Prominent right descending pulmonary artery is seen in acute pulmonary embolism.

Reference: AJR Am J R 1976 Jun;126:1147-5.