Bradyarrhythmias
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Regularly Irregular Rhythms: Sorting Mobitz from PACs and Other Causes
A 52-year-old woman presents to the emergency department with weakness. The following ECG is obtained:
Grouped Beats: A Subtle AV Block Pitfall
An elderly patient is brought to the emergency department with acute stroke symptoms and the following routine 12-lead ECG is obtained during the patient’s stroke evaluation:
High-Grade AV Block: New Perspectives and Important Clarifications
A 51-year-old man presents to the emergency department via EMS with nausea, vomiting, weakness, severe bradycardia (HR in the 20s), and hypotension (BP 60s systolic). The following ECG is obtained…
Mobitz I or Mobitz II: How to tell the difference
A 79-year-old man is sent to a community hospital for evaluation of bradycardia discovered at his nursing facility. He is ultimately transferred to a tertiary care facility for consideration of…
Bradycardia, STEMI, and a Misleading Rhythm Diagnosis
A 68-year-old woman calls EMS after having a syncopal episode while using the bathroom. She reports associated chest pain over the past day. The following prehospital ECG is obtained:
Recent University of Maryland Medical Center Cases (Part V)
A 67-year-old man presents with profound generalized weakness and inability to move his extremities or get out of bed. He has a history of hypertension, chronic kidney disease, substance use…
Recent University of Maryland Medical Center Cases (Part IV)
A 73-year-old man is brought to the emergency department with palpitations. The following ECG is obtained on arrival:
2025 ECG Competition Answers (Part 3/3)
This week we review the answers to questions 10-14 from the 13th Annual UMEM Residency ECG Competition. Make sure to attempt to answer the questions yourself before watching the video…
2025 ECG Competition Answers (Part 2/3)
This week we review the answers to questions 6-9 from the 13th Annual UMEM Residency ECG Competition. Make sure to attempt to answer the questions yourself before watching the video…
Recent University of Maryland Medical Center Cases (Part III)
A 59-year-old man presents to the emergency department with chest pain and palpitations. The following ECG is obtained on arrival:
Recent University of Maryland Medical Center Cases (Part II)
A 72-year-old woman presents to the emergency department with lightheadedness and near-syncope. The following ECG is obtained on arrival:
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”:
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:
Interesting Cases from UMMC (2024 – Part III/III)
A 63-year-old woman presents to the emergency department with dizziness and syncope. The following ECG is obtained:
Sloof Lirpa Sign
A 65-year-old woman presents to the emergency department with an episode of near-syncope. Her ECG shown below is interpreted by the ECG machine, an emergency physician, and a cardiologist as…
2024 EMS Cases Part III
A 75-year-old man with PMHx of hypertension on metoprolol is being brought in for 3 days of nausea, vomiting, and weakness. He reportedly appears dehydrated and is found to be…
2024 EMS Cases Part II
A 56-year-old woman is being brought in by EMS for palpitations. The following EMS ECG is obtained and transmitted:
Paralysis Unmasked: Impressive ECGs That Saved the Day
A 45-year-old woman with PMHx of HTN, DM, ESRD (MWF hemodialysis) presents with complete paralysis below the neck. She reports being normal and fully functional before going to bed the…
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