The most common ECG finding in the setting of a pulmonary embolism is sinus tachycardia. However, the “S1Q3T3” pattern of acute cor pulmonale is classic; this is termed the McGinn-White Sign.

The most common ECG finding in the setting of a pulmonary embolism is sinus tachycardia, however the "S1Q3T3" pattern of acute cor pulmonale is classic. This is termed the McGinn-White sign.

Long journeys, especially by air, can silently raise your risk of blood clots. Here's what every traveller should know about pulmonary embolism before boarding their next trip.