Q wave and ST segment elevation in inferior leads: What is the diagnosis?

• Published in: Journal of arrhythmia Vol. 31; no. 5; pp. 333 - 335
• Main Authors: Safi, Morteza, MD, Khaheshi, Isa, MD, Memaryan, Mehdi, MD, Akbarzadeh, Mohammad Ali, MD
• Format: Journal Article
• Language: English
• Published: Japan John Wiley & Sons, Inc 01-10-2015; Elsevier; Wiley
• Subjects: Cardiology; Cardiovascular; Cardiovascular disease; Conflicts of interest; Diabetes therapy; ECG for Students and Associated Professionals; Electrocardiogram; Electrocardiography; Electrodes; Heart attacks; Hydrochlorothiazide; Lead reversal; Medical imaging; Myocardial infarction; Questions and answers; Myocardial infarction; Lead reversal
• ISSN: 1880-4276; 1883-2148
• DOI: 10.1016/j.joa.2015.03.001

The initial ECG negative P wave and Q and ST segment elevation in leads II, III, and aVF, and ST depression in leads V4–V6. Because of her clinical state; the Q and ST segment elevation in leads II, III, and aVF; and hypokinesia of posterior and inferior walls in echocardiography, the patient was planned for emergent coronary angiography. Because of some abnormal P waves in leads II, III, and aVF, we ordered a repeat ECG; during the ECG, we observed that the right hand and left leg leads were connected inversely. Conflict of interest None of the authors have any conflicts of interest that should be disclosed.