Hypokalemia

Results:
Weekly Workout September 11, 2023
5 more challenging cases from UMEM to test your ECG diagnostic skills

Test Yourself

Weekly Workout September 4, 2023
4 challenging cases from UMEM to test your ECG diagnostic skills

Test Yourself

Weekly Workout July 10, 2023
Differential Diagnoses: poor R wave progression, prolonged QT intervals, and much more

A 53-year-old woman presents to the emergency department with shortness of breath. The following ECG is obtained:

Weekly Workout July 3, 2022
Differential Diagnoses: narrow complex irregular tachycardia, short QTc intervals, ST segment elevation in aVR, and so much more!

An 89-year-old woman is brought into the emergency department with generalized weakness and dizziness. She is noted to be bradycardic at triage. The following ECG is obtained with no prior…

Weekly Workout August 9, 2021
STAT ECG Diagnoses: considerations in patients with altered mental status and seizures

A 39-year-old male with no significant PMHx presents to the ED after a seizure. He is post-ictal on arrival. Vital signs are normal, and the following ECG is obtained:

Weekly Workout January 11, 2021
Potpourri of cases: critical electrolyte abnormalities, clumped or grouped beats, and so much more!

 A 73-year-old man presented to the ED with chest pain and is noted to be hypotensive (95/45). The following ECG was obtained:

Weekly Workout July 28, 2019
STAT ECG Diagnoses: the value of ECGs in acute neurological emergencies

A 54-year-old male presented to the emergency department with inability to walk for 3 days s/p appendectomy. He reports feeling ill and generally weak. He denies abdominal pain, fever, nausea,…

Weekly Workout June 24, 2019
2019 ECG Competition Answers (Part 1/3)

This week we review the answers to the first 6 questions from the 7th annual UMEM Residency ECG Competition. Make sure to attempt to answer the questions before clicking the red…

Weekly Workout March 18, 2019
The many causes of ST segment elevation in aVR and a discussion on the ECG findings in severe hypokalemia

A known local alcoholic presents to the emergency department with weakness. The patient has been laying on a mattress in a field for most of the past week. He says…

Weekly Workout December 24, 2018
Reverse Wellens Waves: not all biphasic T waves are indicative of ACS!

A 25-year-old woman presents to the emergency department with lightheadedness and palpitations for 1 week. Her symptoms worsened today with a near-syncopal episode. She is thin/frail and dehydrated in appearance….

Weekly Workout October 14, 2018
Differential Diagnoses: a triad of long QT interval, PVC’s, & ST segment depression

A 56-year-old woman presents to a busy ED dehydrated with acute gastroenteritis. She is placed in a hallway bed and treated with IV fluids and ondansetron. On reassessment the patient…

Weekly Workout August 13, 2018
ECG findings in severe hypokalemia that may mimic ACS

An 85-year-old woman with PMHx of atrial fibrillation is referred to the ED by her primary care physician who is concerned for cardiac ischemia. The patient has been having epigastric…

Weekly Workout October 23, 2017
Literature Review: aVR – The forgotten 12th lead

A 55-year-old man with PMHx of end stage renal disease on dialysis presents to the ED for fatigue and pain all over. He denies ischemic chest pain. The following ECG…

Weekly Workout June 26, 2017
Prolonged QTC interval from severe hypokalemia

A 42-year-old woman presents to the ED with a seizure. She has been noncompliant with medications. She is now awake and well, though she appears malnourished. The following ECG was…

Weekly Workout May 15, 2017
Differential Diagnoses: ST segment elevation in aVR with multilead ST segment depression

A 74-year-old male presents to the ED with 1 day of epigastric pain, vomiting, and profuse watery diarrhea. The following ECG is obtained:

Weekly Workout December 3, 2016
Generalized weakness with biphasic T waves in the anterior leads

A young man presents to the ED with generalized weakness. The following ECG is obtained:

Weekly Workout May 8, 2016
2016 ECG Competition Answers (Part 1/2)

This week we review the answers to the first 6 cases from the 4th annual UMEM Residency ECG Competition. Make sure to attempt to answer the questions before you watch the video!  Video…

Weekly Workout May 11, 2015
2015 ECG Competition Answers (Part 1/2)

This week we review the answers to the first 6 cases from the UMEM Residency ECG Competition. Make sure to attempt to answer the questions before clicking the red boxes…

Weekly Workout February 9, 2015
Differential Diagnoses: long QTc interval

HPI: 32-year-old female with PMHx of hyperthyroidism (on carbimazole) presents with jaundice and intermittent palpitations. She has mild RUQ abdominal pain, but is otherwise well. Vitals: HR~100, BP-130/70, RR-18, afebrile. Exam:…

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