where there is an alternating pattern in the amplitude or morphology of the QRS complexes, typically on a beat-to-beat basis. It can be a sign of an underlying clinical condition, and its presence is often indicative of specific heart-related causes..( pericardial effusion)
Pericardial effusion ➡️ malignacy until proven otherwise
و كلمة Alternance بالعربي تعني المتناوب
بمعنى ان التيار الكهربائي بالقلب صار اشبه بالتيار المتناوب و ال
QRS voltage
تارة تشوفها عالية و تارة تقل و هكذا..
@medlearn1
@Medicalemergency3