A mnemonic for rheumatic fever: Jones major criteria: JONES: J oints (polyarthritis) O bvious (i.e. cardiac criterion: carditis) N odules (subcutaneous) E rythema marginatum S ydenham’s chorea If you see a right bundle branch block (RBBB) on an ECG, look also for a left anterior fascicular block (LAFB). ECG findings of left anterior fascicular block (LAFB): Left axis deviation, i.e. mean frontal QRS axis between -30 and -90 degrees; qR in aVL and usually I; rS in III and aVF. Kerley B lines on the chest x-ray of a patient not responding to management of pulmonary edema? Think lymphangitic carcinomatosis.
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