Hyperkalemia
Results:
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:
A Decade of ECG Gems: Counting Down the Top 10 Cases
A 68-year-old man with PMHx of hypertension and tobacco use arrives at the emergency department with severe central chest pain and mild shortness of breath over the past 1-2 hours….
2024 UMMC Cases (Part II)
A 55-year-old woman arrives at the emergency department with shortness of breath and is noted to be tachypneic. The following ECG is obtained:
Hyperkalemia
Key Points ECG as a Diagnostic Tool: The ECG is a critical tool for identifying hyperkalemia early, often before lab results are available. Recognizing specific ECG changes can be life-saving….
Hyperkalemia Emergencies
Key Points Severe hyperkalemia can mimic unstable bradyarrhythmias that resist standard ACLS interventions. It can produce extremely wide QRS complexes and bizarre rhythms that appear identical to ventricular tachycardia (VT)….
What’s Behind These Strange T Waves?
A 52-year-old woman presents to the emergency department with severe malaise and 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:
Interesting Cases from UMMC (2024 – Part I/III)
A 63-year-old man presents to the emergency department with acute chest pain and an episode of syncope. The following ECG is obtained, and the cath lab is activated for suspected…
2024 EM Boards ECG Review (Part II/II)
A 55-year-old man with a known left bundle branch block presents to ABEM general hospital with acute chest pain. Vital signs are normal and his pain is slightly improved with…
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…
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…
New Year’s Resolution: a patient who is trying to get healthier presents to the ED with this unstable bradycardia
A 50-year-old man decides to get “his life in order” for the new year. He quits smoking, decides to eat healthier, exercise more, and to be more compliant with his…
5 more challenging cases from UMEM to test your ECG diagnostic skills
A 64-year-old woman presents to the ED with chest discomfort associated with multiple episodes of nausea and vomiting. The following ECG is obtained on arrival:
STAT ECG Diagnoses: right ventricular hypertrophy criteria, electrical alternans vs. respiratory variation, and much more
An ill appearing patient arrives to the emergency department in extremis and history is limited. The following ECG is obtained:
UMEM cases that will teach you how to differentiate narrow complex regular and irregular tachycardias, electrocardiographic polyuria (too many P waves) and so much more!
A 92-year-old man is brought to the emergency department by EMS with palpitations. The following ECG is obtained on arrival:
ECG cases to help you save lives and also crush your board exams
A 45-year-old woman is being observed in the emergency department after treatment with thrombolytics for MI. She is noted to be tachycardic one hour after treatment with a change in…
Potpourri of cases: differential diagnoses for long QTc intervals, diagnosing occlusion MI in LBBB and paced rhythms, and so much more!
A 48-year-old woman is brought into the emergency department with fever and altered mental status. The following ECG is obtained on arrival:
Differential Diagnoses: what you gotta know about regular wide complex tachycardias
A 72-year-old woman is brought into the emergency department by family for confusion. She has a history of abdominal hernia repair with subsequent complications, including an exploratory laparotomy for an…
Potpourri of cases: using Sgarbossa criteria to diagnose acute occlusion myocardial infarction in LBBB and RV pacers, bizzare bradycardias, and so much more!
A 70-year-old male with PMHx of HTN, HFrEF, and atrial fibrillation presents to the ED with nausea and lightheadedness. He is noted to be bradycardic on arrival. The following ECG…
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- WPW syndrome and Pseudo-MI patterns
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- WPW with Antidromic SVT
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- WPW with Orthodromic SVT
- WPW with SVT
- Young patients
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