Tag Archives: discordant st-elevation

64 year old female CC: Trouble Breathing – Conclusion

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Lots of great comments and it was good to see the depth of discussion on the appropriate treatment and transport for this patient! This is the conclusion to 64 year old female CC: Trouble Breathing. When we left off our crew was attending to an elderly female patient in respiratory extremis. Pulmonary edema was present […]

85 year old female CC: Respiratory distress – Discussion

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This is the follow-up and discussion for 85 year old female CC: Respiratory distress. As usual, thank you for all the insightful comments! The case demonstrates some very important points not the least of which is that the differential diagnosis of shortness of breath can be difficult, even for emergency physicians who have access to […]

80 year old male CC: Chest pain – Conclusion

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This is Part II of the conclusion to 80 year old male CC: Chest pain. For Part I see Excessive discordance as a marker of acute STEMI in LBBB. First, let's take another look at the initial 12-lead ECG. The first thing that catches my eye in this ECG is the strange morphology of the ST-segments […]

Excessive discordance as a marker of acute STEMI in LBBB

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Positively deflected QRS complexes can be expected to show ST-depression and inverted T-waves.

80 year old male CC: Chest pain

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Here’s a case submitted by a faithful reader who wishes to remain anonymous. It’s a great case and destined to be one of my favorites! EMS is called to evaluate a 80 year old male patient with a chief complaint of chest pain. On arrival the patient is found sitting on his living room couch. […]

58 year old female CC: Chest pain – Conclusion

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Here’s the conclusion to the 58 year old female with chest pain and left bundle branch block. To refresh your memory here is the 12-lead ECG. And for those of you who requested lead V4R. This ECG meets all 3 of Sgarbossa’s criteria to identify acute STEMI in the presence of left bundle branch block. Keep […]

58 year old female CC: Chest pain

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Here’s another case study from an international reader who wishes to remain anonymous. Presenting Complaint – Chest Pain History of Present Complaint – 58 year old female, nil cardiac history, mild smoker, social drinker and overweight. Complaining of acute central chest pain @ rest. Awoken by pain. On Arrival – Sat upright on settee (Editor’s […]

62 year old male CC: Chest pain

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62 year old male presents to the emergency department complaining of chest discomfort. Past medical history is significant for dyslipidemia and ulcerative colitis. Also prior history of significant tobacco use. Maternal history of CAD. Maternal and paternal history of stroke. The patient’s only medication is Lipitor but he took an aspinin en route to the […]

Discordant ST-Segment Elevation in LBBB or Paced Rhythm

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If you’ve been following the Prehospital 12-Lead ECG blog for a while, you know that I’m advocate of using Sgarbossa’s criteria to help identify acute STEMI in the presence of left bundle branch block (LBBB) or paced rhythm. According the Sgarbossa’s original criteria, 5 mm of discordant ST-segment elevation is required to identify AMI in […]

Sgarbossa's Criteria – New Graphic

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Here is a graphic I created to help explain Sgarbossa’s criteria for identifying acute myocardial infarction (AMI) in the presence of left bundle branch block (LBBB) or paced rhythm. In a previous article I showed this graphic which was created using PowerPoint. Here is a similar graphic I created this morning by cropping actual ECGs […]

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Comments
michelle
68 Year Old Male: Chest Tightness – Part 1
i see some depression and slight elevation in the st segment in the avr. i would alert the stemi crew to stand by.
2015-07-27 17:15:03
sean morrison
68 Year Old Male: Chest Tightness – Part 1
It's the big one Weezy! LAD
2015-07-27 12:48:03
Ryan Lord
68 Year Old Male: Chest Tightness – Part 1
Had the exact same last night but a known AF patient pain commenced after 2 hours of palpitations and described as like a previous MI. Her rate was up at around the 160 mark... Had the widespread depression but elevated aVR and V1. Discussed with Cath Lab and preceded to A&E next door for review,…
2015-07-27 12:14:23
Brendan
63 Year Old Female, CC: Neck and Arm Pain
Everyone providing oxygen should try and read the results of the AVOID trial...
2015-07-27 03:15:56
Brooks Walsh MD
Computer misses it, but the medic catches it.
Well this blog is a great place to start! We cover most every aspect of emergency electrocardiography, with a variety of authors, and multiple perspectives, usually in a clinical context. If it is a book you are looking for, I prefer Ken Grauer's. I started with Dr Grauer as a paramedic student and I still…
2015-07-27 01:45:18

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