Hypercalcemia
Results:
Short QT Interval DDx
Key Points Short QT Interval: A QT interval is considered short when the corrected QT (QTc) interval is less than 350 ms. A short QT interval on the ECG can…
Hypercalcemia
Key Points Shortened QTc interval is the hallmark ECG finding of hypercalcemia, primarily due to a shortened ST segment duration. Hypercalcemia can mimic acute STEMI on ECG (pseudoinfarction pattern due…
Differential Diagnoses: ST segment elevation in a patient with altered mental status, a stepwise approach
A 60-year-old man with PMHx of pancreatic cancer and prior cerebrovascular accidents presents to the ED with altered mental status. Family is concerned that his symptoms are similar to prior…
Differential Diagnoses: ST segment elevation and short QTc interval
A 40-year-old male is brought into the ED with vomiting, body aches, chest discomfort and fatigue. The following ECG is obtained:
Differential Diagnoses: ST segment elevation and short QTc intervals in a patient with generalized weakness
A 45-year-old female presents to the ED with generalized weakness, malaise, joint pains, and confusion. The following ECG was obtained:
Differential Diagnoses: altered mental status and a short QT interval
A middle-aged adult presents to the emergency department with altered mental status. He was dropped off in the waiting room by family. He has no known medical history. The following…
Differential Diagnoses: how hypercalcemia mimics STEMI
A 62-year-old woman presents to the ED with altered mental status. She denies chest pain or dyspnea. The following ECG is obtained:
ECG Basics & Fundamentals: A systematic approach to EGC interpretation and using differentials for ST segment elevation
A 61-year-old man presents to the ED with malaise, nausea and lightheadedness. The following ECG is obtained:
ECG Basics & Fundamentals: using a systematic approach to identify the cause of ST segment elevation
A 49-year-old man presents to the ED with nausea, lightheadedness, arthralgias and malaise. He appears dehydrated but has an otherwise normal exam. The following ECG is obtained:
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…
ECG basics and fundamentals: Prehospital STEMI activations with a review of the literature
50-year-old woman with a PMHx of DM and obesity presents with dizziness and sub-acute back pain. She also reports myalgias and anorexia. She denies any associated chest pain, and is…
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