Jesse McLaren
@ecgcases.bsky.social
EM physician and Associate Prof at UofT. #ECG blog/podcast for @emcases.bsky.social, an associate editor of Dr Smith’s ECG Blog, and teacher of heartsECGcourse.com 🫀(he/him) #ECGsky
Pinned
Jesse McLaren
@ecgcases.bsky.social
· Jun 2
Next series of ECG courses!
1. HEARTS Resident: June 18+25
2. HEARTS Student: July 15+22
3. HEARTS Advanced: July 23+30
To register: heartsECGcourse.com
@emcases.bsky.social
#ECG #EKG #ECGinterpretation #medstudent #resident #paramedic
#ECGsky
1. HEARTS Resident: June 18+25
2. HEARTS Student: July 15+22
3. HEARTS Advanced: July 23+30
To register: heartsECGcourse.com
@emcases.bsky.social
#ECG #EKG #ECGinterpretation #medstudent #resident #paramedic
#ECGsky
Reposted by Jesse McLaren
In this ECG Cases blog @ecgcases.bsky.social breaks down cases showing how to spot reversible secondary causes on ECG:
💊 BRASH / hyperkalemia
❄️ Hypoxia / hypothermia
❤️ Occlusion MI
💉 Drugs
🧠 ICH
🦠 Infection
Learn to read beyond the rhythm → emergencymedicinecases.com/acls-dysrhyt...
💊 BRASH / hyperkalemia
❄️ Hypoxia / hypothermia
❤️ Occlusion MI
💉 Drugs
🧠 ICH
🦠 Infection
Learn to read beyond the rhythm → emergencymedicinecases.com/acls-dysrhyt...
ECG Cases 58 - ACLS Dysrhythmia Pitfalls, Part 1: Unstable Bradycardia - BRADI mnemonic
In this ECG Cases blog with Dr. Jesse McLaren we go through exemplary cases and look for reversible causes of secondary BRADIcardias, some of which can be identified on 12-lead ECG: BRASH/hyperkalemia...
emergencymedicinecases.com
October 28, 2025 at 6:31 PM
In this ECG Cases blog @ecgcases.bsky.social breaks down cases showing how to spot reversible secondary causes on ECG:
💊 BRASH / hyperkalemia
❄️ Hypoxia / hypothermia
❤️ Occlusion MI
💉 Drugs
🧠 ICH
🦠 Infection
Learn to read beyond the rhythm → emergencymedicinecases.com/acls-dysrhyt...
💊 BRASH / hyperkalemia
❄️ Hypoxia / hypothermia
❤️ Occlusion MI
💉 Drugs
🧠 ICH
🦠 Infection
Learn to read beyond the rhythm → emergencymedicinecases.com/acls-dysrhyt...
HEARTS ACS course: from #STEMI to #OcclusionMI
✅ systematic #ECG interpretation
✅ evidence-based pearls
✅ interactive, small group format
✅ practice with real cases
To register: heartsECGcourse.com
@emcases.bsky.social #ECGsky #cardiosky #MedEd #EKG
✅ systematic #ECG interpretation
✅ evidence-based pearls
✅ interactive, small group format
✅ practice with real cases
To register: heartsECGcourse.com
@emcases.bsky.social #ECGsky #cardiosky #MedEd #EKG
October 21, 2025 at 4:09 PM
HEARTS ACS course: from #STEMI to #OcclusionMI
✅ systematic #ECG interpretation
✅ evidence-based pearls
✅ interactive, small group format
✅ practice with real cases
To register: heartsECGcourse.com
@emcases.bsky.social #ECGsky #cardiosky #MedEd #EKG
✅ systematic #ECG interpretation
✅ evidence-based pearls
✅ interactive, small group format
✅ practice with real cases
To register: heartsECGcourse.com
@emcases.bsky.social #ECGsky #cardiosky #MedEd #EKG
ECG Cases 57 Art of Occlusion MI Part 5 – Clinical-ECG-POCUS Triptych emergencymedicinecases.com/ecg-cases-oc... #ECG #POCUS #cardiosky #ecgsky @emcases.bsky.social
ECG Cases 57 Art of Occlusion MI Part 5 - Clinical-ECG-POCUS Triptych
In this ECG Cases with Dr. Jesse McLaren we guide you through 6 cases to explore his Clinical-ECG-PoCUS triptych in the identification of Occlusion MI...
emergencymedicinecases.com
August 27, 2025 at 4:20 PM
ECG Cases 57 Art of Occlusion MI Part 5 – Clinical-ECG-POCUS Triptych emergencymedicinecases.com/ecg-cases-oc... #ECG #POCUS #cardiosky #ecgsky @emcases.bsky.social
#ECG Cases 56: the art of #OcclusionMI, part 4: sequence photos
emergencymedicinecases.com/ecg-cases-ar...
@emcases.bsky.social
#FOAMed #EKG #cardiosky #ECGsky
emergencymedicinecases.com/ecg-cases-ar...
@emcases.bsky.social
#FOAMed #EKG #cardiosky #ECGsky
Art of Occlusion MI Part 4: Sequence Photos | ECG Cases | Emergency Medicine Cases
Like sequence photography, serial ECGs correlated with patient symptoms can identify occlusion MI and reperfusion at risk for reocclusion on this month's ECG Cases blog at Emergency Medicine Cases
emergencymedicinecases.com
June 24, 2025 at 3:05 PM
#ECG Cases 56: the art of #OcclusionMI, part 4: sequence photos
emergencymedicinecases.com/ecg-cases-ar...
@emcases.bsky.social
#FOAMed #EKG #cardiosky #ECGsky
emergencymedicinecases.com/ecg-cases-ar...
@emcases.bsky.social
#FOAMed #EKG #cardiosky #ECGsky
Reposted by Jesse McLaren
Read our editorial at the link below!
www.termedia.pl/Occlusion-my...
#ECGSky #Medsky #cardiosky
@ecgcases.bsky.social
www.termedia.pl/Occlusion-my...
#ECGSky #Medsky #cardiosky
@ecgcases.bsky.social
June 3, 2025 at 8:58 PM
Read our editorial at the link below!
www.termedia.pl/Occlusion-my...
#ECGSky #Medsky #cardiosky
@ecgcases.bsky.social
www.termedia.pl/Occlusion-my...
#ECGSky #Medsky #cardiosky
@ecgcases.bsky.social
Next series of ECG courses!
1. HEARTS Resident: June 18+25
2. HEARTS Student: July 15+22
3. HEARTS Advanced: July 23+30
To register: heartsECGcourse.com
@emcases.bsky.social
#ECG #EKG #ECGinterpretation #medstudent #resident #paramedic
#ECGsky
1. HEARTS Resident: June 18+25
2. HEARTS Student: July 15+22
3. HEARTS Advanced: July 23+30
To register: heartsECGcourse.com
@emcases.bsky.social
#ECG #EKG #ECGinterpretation #medstudent #resident #paramedic
#ECGsky
June 2, 2025 at 8:21 PM
Next series of ECG courses!
1. HEARTS Resident: June 18+25
2. HEARTS Student: July 15+22
3. HEARTS Advanced: July 23+30
To register: heartsECGcourse.com
@emcases.bsky.social
#ECG #EKG #ECGinterpretation #medstudent #resident #paramedic
#ECGsky
1. HEARTS Resident: June 18+25
2. HEARTS Student: July 15+22
3. HEARTS Advanced: July 23+30
To register: heartsECGcourse.com
@emcases.bsky.social
#ECG #EKG #ECGinterpretation #medstudent #resident #paramedic
#ECGsky
The Art of Occlusion MI Part 3 – Impression. emergencymedicinecases.com/ecg-cases-ar... #ecg #ekg #cardiosky #ecgsky @emcases.bsky.social
April 24, 2025 at 6:33 PM
The Art of Occlusion MI Part 3 – Impression. emergencymedicinecases.com/ecg-cases-ar... #ecg #ekg #cardiosky #ecgsky @emcases.bsky.social
Reposted by Jesse McLaren
EM Quick Hits 64
🩸Whole Blood Transfusions @petrosoniak
Zafar Qasim
💔Calcium Before Diltiazem in Afib @First10EM
✂️Thoracotomy Pearls @EMSwami
🧒Uterine Casts @andrewjtagg
💟OMI Scale & Proportionality @ECGCases
emergencymedicinecases.com/em-quick-hit...
#FOAMed
🩸Whole Blood Transfusions @petrosoniak
Zafar Qasim
💔Calcium Before Diltiazem in Afib @First10EM
✂️Thoracotomy Pearls @EMSwami
🧒Uterine Casts @andrewjtagg
💟OMI Scale & Proportionality @ECGCases
emergencymedicinecases.com/em-quick-hit...
#FOAMed
Whole Blood Transfusions, Calcium Before Diltiazem in Afib, Thoracotomy Pearls, Uterine Casts, OMI Scale & Proportionality | EM Cases | EM Quick Hits
Whole blood transfusion in trauma, calcium pre-treatment to prevent diltiazem-induced hypotension, dynamic LV outflow tract obstruction, resuscitative thoracotomy, uterine casts, scale & proportionali...
emergencymedicinecases.com
April 22, 2025 at 6:29 PM
EM Quick Hits 64
🩸Whole Blood Transfusions @petrosoniak
Zafar Qasim
💔Calcium Before Diltiazem in Afib @First10EM
✂️Thoracotomy Pearls @EMSwami
🧒Uterine Casts @andrewjtagg
💟OMI Scale & Proportionality @ECGCases
emergencymedicinecases.com/em-quick-hit...
#FOAMed
🩸Whole Blood Transfusions @petrosoniak
Zafar Qasim
💔Calcium Before Diltiazem in Afib @First10EM
✂️Thoracotomy Pearls @EMSwami
🧒Uterine Casts @andrewjtagg
💟OMI Scale & Proportionality @ECGCases
emergencymedicinecases.com/em-quick-hit...
#FOAMed
“Transitioning to the OMI paradigm addresses critical gaps in the STEMI/NSTEMI framework by emphasizing the identification of ACO irrespective of ST-segment elevation.“ pmc.ncbi.nlm.nih.gov/articles/PMC... #ecg #ecgsky #cardiosky
Reevaluating STEMI: The Utility of the Occlusive Myocardial Infarction Classification to Enhance Management of Acute Coronary Syndromes
The current classification of acute myocardial infarction (AMI) into ST-segment elevation myocardial infarction (STEMI) and non-ST-segment elevation myocardial infarction (NSTEMI) has limitations in i...
pmc.ncbi.nlm.nih.gov
April 9, 2025 at 8:04 PM
“Transitioning to the OMI paradigm addresses critical gaps in the STEMI/NSTEMI framework by emphasizing the identification of ACO irrespective of ST-segment elevation.“ pmc.ncbi.nlm.nih.gov/articles/PMC... #ecg #ecgsky #cardiosky
Reposted by Jesse McLaren
Glad to see the Australian guidelines reflect the data where American guidelines (@accintouch.bsky.social) were stuck in an antiquated era.
The best time to move on from STEMI was years ago. The second best time is now.
www.heartfoundation.org.au/for-professi...
#medsky #cardiosky #ECGsky
The best time to move on from STEMI was years ago. The second best time is now.
www.heartfoundation.org.au/for-professi...
#medsky #cardiosky #ECGsky
April 6, 2025 at 1:17 PM
Glad to see the Australian guidelines reflect the data where American guidelines (@accintouch.bsky.social) were stuck in an antiquated era.
The best time to move on from STEMI was years ago. The second best time is now.
www.heartfoundation.org.au/for-professi...
#medsky #cardiosky #ECGsky
The best time to move on from STEMI was years ago. The second best time is now.
www.heartfoundation.org.au/for-professi...
#medsky #cardiosky #ECGsky
Will this case be flagged for Quality Improvement in the STEMI/NSTEMI Paradigm? hqmeded-ecg.blogspot.com/2025/03/will... #ECG #ECGsky #cardiosky
Will this case be flagged for Quality Improvement in the STEMI/NSTEMI Paradigm?
Emergency cardiac care, cardiology, EKGs, ECGs, electrocardiography, echocardiography, dysrhythmias, arrhythmias, STEMI, NonSTEMI, NSTEMI, cardiology
hqmeded-ecg.blogspot.com
April 4, 2025 at 3:10 PM
Will this case be flagged for Quality Improvement in the STEMI/NSTEMI Paradigm? hqmeded-ecg.blogspot.com/2025/03/will... #ECG #ECGsky #cardiosky
Brugada syndrome: 3 steps to diagnosis. Part of @emcases.bsky.social video series youtu.be/KQy5QpH5zDA?... #ECG #EKG #ECGsky #cardiosky
Brugada Syndrome - 3 Steps to Diagnosis
YouTube video by EM Cases
youtu.be
April 2, 2025 at 2:12 PM
Brugada syndrome: 3 steps to diagnosis. Part of @emcases.bsky.social video series youtu.be/KQy5QpH5zDA?... #ECG #EKG #ECGsky #cardiosky
Equity gaps in the diagnosis and treatment of Occlusion MI. New #CJCopen article www.cjcopen.ca/article/S258... #cardiosky
Equity Gaps in the Diagnosis and Treatment of Occlusion Myocardial Infarction
Patients with occlusion myocardial infarction (OMI) who meet the ST-elevation myocardial
infarction (STEMI) criteria experience inequitable delays in care, because of sociodemographic
factors, such as...
www.cjcopen.ca
March 23, 2025 at 6:52 PM
Equity gaps in the diagnosis and treatment of Occlusion MI. New #CJCopen article www.cjcopen.ca/article/S258... #cardiosky
Chest pain and computer ‘normal’ ECG. Wait for troponin? And what is the reference standard for ECG diagnosis? Cardiologist or outcome? #ECG #ECGsky #cardiosky
hqmeded-ecg.blogspot.com/2025/03/ches...
hqmeded-ecg.blogspot.com/2025/03/ches...
Chest pain and computer ‘normal’ ECG. Wait for troponin? And what is the reference standard for ECG diagnosis? Cardiologist or outcome?
Emergency cardiac care, cardiology, EKGs, ECGs, electrocardiography, echocardiography, dysrhythmias, arrhythmias, STEMI, NonSTEMI, NSTEMI, cardiology
hqmeded-ecg.blogspot.com
March 12, 2025 at 2:58 PM
Chest pain and computer ‘normal’ ECG. Wait for troponin? And what is the reference standard for ECG diagnosis? Cardiologist or outcome? #ECG #ECGsky #cardiosky
hqmeded-ecg.blogspot.com/2025/03/ches...
hqmeded-ecg.blogspot.com/2025/03/ches...
“What is the gold standard for #ECG interpretation: computer, cardiologist, or patient outcome?” New letter in
@cjemonline.bsky.social link.springer.com/article/10.1... #ecgsky
@cjemonline.bsky.social link.springer.com/article/10.1... #ecgsky
March 11, 2025 at 12:10 PM
“What is the gold standard for #ECG interpretation: computer, cardiologist, or patient outcome?” New letter in
@cjemonline.bsky.social link.springer.com/article/10.1... #ecgsky
@cjemonline.bsky.social link.springer.com/article/10.1... #ecgsky
#ECG Cases 54 The Art of Occlusion MI: Scale and Proportionality
#ecgsky #meded #cardiosky
@emcases.bsky.social
emergencymedicinecases.com/ecg-cases-ar...
#ecgsky #meded #cardiosky
@emcases.bsky.social
emergencymedicinecases.com/ecg-cases-ar...
The Art of Occlusion MI: Scale and Proportionality | ECG Cases | EM Cases
In this ECG Cases blog we use visual concepts of scale and proportion to identify false positive and subtle Occlusion MI...
Written by Jesse McLaren; Peer Reviewed and edited by Anton Helman. Februa...
emergencymedicinecases.com
February 18, 2025 at 1:39 PM
#ECG Cases 54 The Art of Occlusion MI: Scale and Proportionality
#ecgsky #meded #cardiosky
@emcases.bsky.social
emergencymedicinecases.com/ecg-cases-ar...
#ecgsky #meded #cardiosky
@emcases.bsky.social
emergencymedicinecases.com/ecg-cases-ar...
Potassium 6.2 with narrow QRS: any indications for calcium? #ECG #ECGsky #medsky
hqmeded-ecg.blogspot.com/2025/02/pota...
hqmeded-ecg.blogspot.com/2025/02/pota...
Potassium 6.2 with narrow QRS: any indication for calcium?
Emergency cardiac care, cardiology, EKGs, ECGs, electrocardiography, echocardiography, dysrhythmias, arrhythmias, STEMI, NonSTEMI, NSTEMI, cardiology
hqmeded-ecg.blogspot.com
February 10, 2025 at 4:36 PM
Potassium 6.2 with narrow QRS: any indications for calcium? #ECG #ECGsky #medsky
hqmeded-ecg.blogspot.com/2025/02/pota...
hqmeded-ecg.blogspot.com/2025/02/pota...
‘NSTEMI’ or reperfused OMI, and which is the culprit? #ECG #ECGsky
hqmeded-ecg.blogspot.com/2025/02/nste...
hqmeded-ecg.blogspot.com/2025/02/nste...
‘NSTEMI’ or reperfused OMI? And which lesion is the culprit?
Emergency cardiac care, cardiology, EKGs, ECGs, electrocardiography, echocardiography, dysrhythmias, arrhythmias, STEMI, NonSTEMI, NSTEMI, cardiology
hqmeded-ecg.blogspot.com
February 8, 2025 at 3:47 PM
‘NSTEMI’ or reperfused OMI, and which is the culprit? #ECG #ECGsky
hqmeded-ecg.blogspot.com/2025/02/nste...
hqmeded-ecg.blogspot.com/2025/02/nste...
Reposted by Jesse McLaren
EM Quick Hits hot off the press!
@EMSwami -Timing of RSI Drugs
@BrittJEllis -Older Pts & ED Flow @ICEM2025
Melody Ng -Nutrition for Shift Workers
@DrJerom -Rx Prolonged Tourniquet
Nour Khatib/Phil Gillick -Rural Case
@ECGCases -Reciprocal Changes
emergencymedicinecases.com/em-quick-hit...
#FOAMed
@EMSwami -Timing of RSI Drugs
@BrittJEllis -Older Pts & ED Flow @ICEM2025
Melody Ng -Nutrition for Shift Workers
@DrJerom -Rx Prolonged Tourniquet
Nour Khatib/Phil Gillick -Rural Case
@ECGCases -Reciprocal Changes
emergencymedicinecases.com/em-quick-hit...
#FOAMed
Optimizing RSI medication timing, nutrition tips for shift workers, ED boarding challenges in older patients, managing prolonged tourniquet application, rural peer support programs, reciprocal changes...
Topics in this EM Quick Hits podcast
Anand Swaminathan on optimizing RSI medication timing (1:08)
Brittany Ellis on ED boarding challenges in older patients and improving ED overcrowding and ED flow ...
emergencymedicinecases.com
January 28, 2025 at 7:38 PM
EM Quick Hits hot off the press!
@EMSwami -Timing of RSI Drugs
@BrittJEllis -Older Pts & ED Flow @ICEM2025
Melody Ng -Nutrition for Shift Workers
@DrJerom -Rx Prolonged Tourniquet
Nour Khatib/Phil Gillick -Rural Case
@ECGCases -Reciprocal Changes
emergencymedicinecases.com/em-quick-hit...
#FOAMed
@EMSwami -Timing of RSI Drugs
@BrittJEllis -Older Pts & ED Flow @ICEM2025
Melody Ng -Nutrition for Shift Workers
@DrJerom -Rx Prolonged Tourniquet
Nour Khatib/Phil Gillick -Rural Case
@ECGCases -Reciprocal Changes
emergencymedicinecases.com/em-quick-hit...
#FOAMed
Reposted by Jesse McLaren
30 year old, history of thyroid disease, with sudden bilateral leg weakness
#ECG #EKG #ECGsky #cardiosky #medsky
#ECG #EKG #ECGsky #cardiosky #medsky
January 12, 2025 at 8:00 PM
30 year old, history of thyroid disease, with sudden bilateral leg weakness
#ECG #EKG #ECGsky #cardiosky #medsky
#ECG #EKG #ECGsky #cardiosky #medsky
Reposted by Jesse McLaren
December 18, 2024 at 2:46 AM
Occlusion MI: from theoretical concept to practical therapy www.sciencedirect.com/science/arti... @jaccjournals.bsky.social #JACCAdvances @drmarthagulati.bsky.social
Reply: Occlusion Myocardial Infarction: From Theoretical Concept to Practical Therapy
www.sciencedirect.com
January 8, 2025 at 9:04 PM
Occlusion MI: from theoretical concept to practical therapy www.sciencedirect.com/science/arti... @jaccjournals.bsky.social #JACCAdvances @drmarthagulati.bsky.social
Make #ECG interpretation your New Year’s resolution 🎉
Next courses:
1. HEARTS #EMS: January 8
2. HEARTS Advanced: February 12 & 19
3. HEARTS #CardiacTech: March 8
4. HEARTS Advanced: April 8
5. HEARTS #Resident: May 23
To register: heartsECGcourse.com
#ECGsky @emcases.bsky.social
Next courses:
1. HEARTS #EMS: January 8
2. HEARTS Advanced: February 12 & 19
3. HEARTS #CardiacTech: March 8
4. HEARTS Advanced: April 8
5. HEARTS #Resident: May 23
To register: heartsECGcourse.com
#ECGsky @emcases.bsky.social
January 1, 2025 at 9:26 PM
Make #ECG interpretation your New Year’s resolution 🎉
Next courses:
1. HEARTS #EMS: January 8
2. HEARTS Advanced: February 12 & 19
3. HEARTS #CardiacTech: March 8
4. HEARTS Advanced: April 8
5. HEARTS #Resident: May 23
To register: heartsECGcourse.com
#ECGsky @emcases.bsky.social
Next courses:
1. HEARTS #EMS: January 8
2. HEARTS Advanced: February 12 & 19
3. HEARTS #CardiacTech: March 8
4. HEARTS Advanced: April 8
5. HEARTS #Resident: May 23
To register: heartsECGcourse.com
#ECGsky @emcases.bsky.social
