Rhythm Interpretation
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Unrecognized Killers in Emergency Electrocardiography
A 42-year-old man presents with fever, cough, shortness of breath, and vomiting. He appears toxic and dehydrated on arrival with suspected severe sepsis from multilobar pneumonia. He is later intubated…
2025 EMS Cases Part II
A 57-year-old man is being brought in by EMS for generalized weakness and vomiting. The following ECG is obtained and transmitted as a CODE STEMI alert:
2025 EMS Cases Part I
A 55-year-old woman calls EMS with acute palpitations and chest discomfort. Vitals are normal aside from marked tachycardia. The following prehospital ECG is obtained:
2025 In-Training Exam Preparation (Part II/III)
A patient presents to the emergency department after an episode of syncope and suddenly loses consciousness while obtaining the following ECG at triage:
2025 In-Training Exam Preparation (Part I/III)
It’s safe to assume that board exams will test your ability to diagnose and manage wide complex tachyarrhythmias. Here is a challenging wide complex rhythm in a patient with palpitations…
T Wave Clues: Uncovering Concealed Conduction Blocks and Arrhythmias
A 58-year-old man presents to the emergency department after an episode of syncope. The following ECG is obtained on arrival and interpreted as “sinus bradycardia”:
Recent UMMC Cases (Part III)
A 67-year-old man arrives at the emergency department with palpitations. He is noted to be tachycardic at triage and the following ECG is obtained and interpreted as “sinus tachycardia”:
Recent UMMC Cases (Part I)
A 69-year-old man arrives at the emergency department with shortness of breath and profuse sweating. The ECG obtained below shows sinus tachycardia at a rate of ~ 130 bpm with…
When One Lead Stands Alone: Deciphering Bizarre ECG Abnormalities
A 67-year-old woman with PMHx of HTN, DM, and ESRD presents to the emergency department drowsy and non-cooperative. Her blood sugar is elevated, pH 7.23, and there is concern for…
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:
The Approach to Uncovering Hidden STEMI
A 92-year-old man presents to the emergency department with acute chest pain and diaphoresis. The following ECG is obtained:
Case Potpourri: Avoiding AFib Misdiagnosis, Recognizing Mobitz, and Managing Polymorphic V-Tach
A 50-year-old man is brought to the emergency department after successful resuscitation from a witnessed cardiac arrest. EMS was initially called to the scene for chest pain. While on scene,…
2024 EMS Cases Part IV
A 60-year-old man is being transported by EMS to the emergency department for acute chest pain. The following ECG is transmitted prior to arrival as a “CODE STEMI” and brought…
Distinction Between AV Dissociation and Complete Heart Block
A 54-year-old man presents to the emergency department with chest pain. The following ECG is obtained:
Key Points to Note About Complete Heart Block
A 70-year-old woman presents to the emergency department with lightheadedness and dizziness that is worse with standing. The following ECG is obtained:
Key Points to Note About Mobitz I & Mobitz II
A 49-year-old man presents to the emergency department after an episode of syncope. The following ECG is obtained:
Subtle ECG Changes and Diagnostic Challenges
A 70-year-old male presents to the emergency department with acute chest pain that sounds ischemic in nature. The following baseline ECG, arrival ECG, and repeat ECGs are obtained:
2024 ECG Competition Answers (Part 2/2)
Instructions from Dr. Mattu: In some of the following questions, I’ll ask you for a FULL ECG interpretation/diagnosis. Here’s what I am asking for: SAMPLE QUESTION: A 58 yo M…
2024 ECG Competition Answers (Part 1/2)
Instructions from Dr. Mattu: In some of the following questions, I’ll ask you for a FULL ECG interpretation/diagnosis. Here’s what I am asking for: SAMPLE QUESTION: A 58 yo M…
How to avoid misdiagnosis of irregular rhythms
A 80-year-old woman is referred to the emergency department for suspected rapid atrial fibrillation. The following ECG is obtained on arrival:
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