Hyperkalemia

Results:
Weekly Workout June 30, 2025
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…

ECG STAT June 28, 2025
Hyperkalemia

Key Points ECG as a Frontline Diagnostic Tool: Hyperkalemia often reveals itself on the ECG before lab confirmation. Early recognition of characteristic changes can be life-saving, especially in critically ill…

Weekly Workout March 31, 2025
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…

Weekly Workout March 17, 2025
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:

Weekly Workout December 23, 2024
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….

Weekly Workout December 9, 2024
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:

ECG STAT November 28, 2024
Hyperkalemia Emergencies

Key Points Severe Hyperkalemia Mimics Several Life-Threatening Conditions: Hyperkalemia can produce a wide range of ECG abnormalities that resemble unstable brady and tachy arrhythmias, STEMI, and can also cause pacemaker…

Weekly Workout September 23, 2024
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:

Weekly Workout June 24, 2024
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:

Weekly Workout March 25, 2024
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…

Weekly Workout February 26, 2024
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…

Weekly Workout February 5, 2024
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…

Weekly Workout January 5, 2024
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…

Weekly Workout January 1, 2024
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…

Weekly Workout September 11, 2023
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:

Weekly Workout June 19, 2023
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:

Weekly Workout March 6, 2023
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:

Weekly Workout February 13, 2023
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…

Weekly Workout November 13, 2022
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:

Weekly Workout October 16, 2022
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…

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