Lewis lead
Results:
The Lewis Lead (Unmasking Atrial Activity)
Key Points Purpose: The Lewis Lead (modified S5 lead) is a bedside ECG modification designed to enhance visualization of atrial activity, particularly valuable in differentiating challenging arrhythmias such as VT…
How the Lewis Lead Can Improve Tachyarrhythmia Diagnosis
A 68-year-old woman presents to the emergency department with palpitations and tachycardia. The following ECG is obtained:
Wide Complex Tachycardias: using modified ECG leads to distinguish ventricular tachycardia from supraventricular tachycardias (VT vs. SVT)
A 60-year-old man presents to the emergency department with left sided chest pain and lower extremity edema. Initial vitals: HR= 155, BP = 120/96, RR = 22, SpO2 = 90%,…
Wide Complex Tachycardias: What is the Lewis lead and how you can use modified ECG leads to help make the diagnosis
A 60-year-old male presents to the ED with acute chest pain and lower extremity edema. He is noted to be tachycardic on arrival. The following ECG is obtained:
Literature Review: COVID and the Heart
A 45-year-old man with a history of severe cardiomyopathy presents with palpitations. The following ECG is obtained:
2019 ECG Competition Answers (Part 2/3)
This week we review the answers to questions 7-11, & 13 from the 7th Annual UMEM Residency ECG Competition. Make sure to attempt to answer the questions before clicking the red…
Rhythm Interpretation: using lewis leads to nail the diagnosis
A 85-year-old male presents to the emergency department with lightheadedness and palpitations. The following ECG was obtained on arrival:
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- WPW vs STEMI
- WPW with Antidromic SVT
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- WPW with Orthodromic SVT
- WPW with SVT
- Young patients
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