Ken Grauer, MD

JUNE 14, 2024

The ECG in Figure-1 — was obtained from a middle-aged man who presented to the ED ( E mergency D epartment ) in cardiac arrest. ROSC ( R eturn O f S pontaneous C irculation ) was obtained — and ECG #1 was recorded. In view of this history — How would YOU interpret the ECG in Figure-1 ? Should you activate the cath lab?

EKG/ECG 327

EKG/ECG Wellness Hospitals 327

Ken Grauer, MD

APRIL 20, 2024

The ECG in Figure-1 — was obtained from a 70-ish year old man with episodic CP ( C hest P ain ) over the previous 2-3 days , being awakened from sleep now for a more severe CP episode. QUESTIONS: In view of this history — How would YOU interpret this ECG? Figure-1: The initial ECG in today's case.

EKG/ECG 378

EKG/ECG Wellness 378

Ken Grauer, MD

JUNE 7, 2024

The ECG in Figure-1 was obtained from a previously healthy older man — who presented to the ED ( E mergency D epartment ) with new but atypical CP ( C hest P ain ) for several hours. QUESTIONS: Given this history — How would YOU interpret this ECG? Figure-1: The initial ECG in today's case. ( Which lead is the most concerning?

EKG/ECG 386

EKG/ECG Wellness 386

Dr. Smith's ECG Blog

JUNE 17, 2024

Pain improved to 1/10 after EMS administers 324 mg aspirin and the following EKG is obtained at triage. If this EKG were handed to you to screen from triage without any clinical information, what would you think? Do you appreciate any dynamic changes compared to the patient’s prior EKG? What do you think? In fact, Kosuge et al.

EKG/ECG 139

EKG/ECG Emergency Department Shock Ultrasounds 139

Ken Grauer, MD

DECEMBER 23, 2023

The ECG in Figure-1 — was obtained from a patient with palpitations. Figure-1: The initial ECG in today's case. My Interpretation of the ECG in Figure-1: Since the patient is hemodynamically stable — there is time for systematic assessment of the rhythm. Figure-2: I've labeled the initial ECG in today's case. Figure-2 ).

EKG/ECG 432

EKG/ECG Wellness 432

Ken Grauer, MD

APRIL 13, 2024

I was sent the ECG in Figure-1 — told only that the patient was 70 years old, and had a history of an ASD ( A trial S eptal D efect ). The patient was hemodynamically stable with ECG #1. Figure-1: The initial ECG in today's case. Serum K+ was normal. QUESTIONS: How would YOU interpret the rhythm in Figure-1 ? Are there P waves?

EKG/ECG 296

EKG/ECG Wellness 296

Dr. Smith's ECG Blog

JULY 11, 2024

This is another case sent by the undergraduate (who is applying to med school) who works as an EKG tech. How is it possible that a kid who has not even started medical school can know so much about EKGs and cardiology? He had an EKG taken at the clinic: What do you think? Normal EKG”. Normal ECG.

EKG/ECG 96

EKG/ECG Outcomes Hospitals Wellness 96

Ken Grauer, MD

APRIL 26, 2024

The ECG in Figure-1 — was obtained on the scene by EMS ( E mergency M edical S ervices ). He was hemodynamically stable — but clearly distressed with a sense of “impending doom” at the time ECG #1 was recorded. QUESTIONS: How would YOU interpret the initial ECG in Figure-1 ? Extra Credit: How many beats are seen on this ECG?

EKG/ECG 326

EKG/ECG Resuscitation EMS Wellness 326

Ken Grauer, MD

FEBRUARY 3, 2024

The ECG in Figure-1 was obtained following successful resuscitation. QUESTIONS: In view of the above history — How would YOU interpret the ECG in Figure-1 ? Is this ECG finding present in today’s initial ECG? Figure-1: The initial ECG in today's case — obtained after successful resuscitation from cardiac arrest. (

EKG/ECG 378

EKG/ECG Resuscitation Hospitals Wellness 378

Ken Grauer, MD

DECEMBER 1, 2023

For full discussion of this case — See ECG Blog #351 — == The ECG in Figure-1 — was obtained from a previously healthy older man who contacted EMS ( E mergency M edical S ervices ) because of "chest tightness" that began ~1 hour earlier. Given this history: QUESTIONS: How would YOU interpret the ECG in Figure-1 ?

EKG/ECG 355

EKG/ECG EMS Wellness 355

Ken Grauer, MD

SEPTEMBER 22, 2023

The ECG in Figure-1 — was obtained from a middle-aged man with palpitations and shortness of breath. How would YOU interpret the ECG in Figure-1 ? Figure-1: The initial ECG in today's case. ( To improve visualization — I've digitized the original ECG using PMcardio ). Figure-1: The initial ECG in today's case. (

EKG/ECG 407

EKG/ECG Wellness 407

Dr. Smith's ECG Blog

MAY 5, 2024

An undergraduate (not yet in medical school) who works as an ED technician (records all EKGs, helps with procedures, takes vital signs) and who reads this blog regularly arrived at work and happened to glance down and see this previously recorded ECG on a table in the ED. It was recorded at 0530: What do you think?

EKG/ECG 121

EKG/ECG Wellness 121

Ken Grauer, MD

JANUARY 20, 2024

I was sent the tracing shown in Figure-1 — told only that this was a preoperative ECG obtained from an asymptomatic older woman scheduled for non-cardiac surgery. How would YOU interpret this ECG? Figure-1: Preoperative ECG from an asymptomatic older woman scheduled for non-cardiac surgery. The 12-lead ECG is very concerning.

EKG/ECG 238

EKG/ECG 238

Ken Grauer, MD

NOVEMBER 10, 2023

For full discussion of this case — See ECG Blog #220 — == The long lead II rhythm strip shown in Figure-1 was obtained from an 51-year-old man who presented to the ED ( Emergency Department ) with "palpitations" that began 1 hour earlier. Figure: 12-lead ECG obtained from an 51-year-old man with palpitations.

EKG/ECG 441

EKG/ECG Emergency Department 441

Ken Grauer, MD

DECEMBER 29, 2023

QUESTION: HOW would YOU interpret the ECG in Figure-1 — if no clinical information was provided? Figure-1: The initial ECG in today's case. ( To improve visualization — I've digitized the original ECG using PMcardio ). = The ECG in Figure-1 — was obtained following successful resuscitation.

EKG/ECG 370

EKG/ECG Resuscitation Hospitals Wellness 370

Ken Grauer, MD

NOVEMBER 25, 2023

For full discussion of this case — See ECG Blog #191 — == The 2-lead rhythm strip shown in Figure-1 was obtained from an elderly woman who presented to the ED following a syncopal episode. ECG Media Pearl # 8 ( 8:20 minutes Video ) — ECG Blog #191 — Distinguishing between A V D issociation vs Complete AV Block ( 2/6/2021 ).

EKG/ECG 412

EKG/ECG 412

Ken Grauer, MD

DECEMBER 8, 2023

For full discussion of this case — See ECG Blog #292 — == The 2 ECGs shown in Figure-1 were obtained from a man in his 30s — who presented to the ED ( E mergency D epartment ) with chest pain that began several hours earlier. ECG #2 was recorded 1 hour after ECG #1. (22:3 0 min. Initial troponin was negative.

EKG/ECG 335

EKG/ECG Hospitals 335

Ken Grauer, MD

DECEMBER 15, 2023

For full discussion of this case — See ECG Blog #392 — == The ECG in Figure-1 was obtained from a man in his 60s — who described the sudden onset of "chest tightness" that began 20 minutes earlier, but who now ( at the time this ECG was recorded ) — was no longer having symptoms. Figure-1: The initial ECG in today's case. (

EKG/ECG 309

EKG/ECG EMS Hospitals 309

Ken Grauer, MD

NOVEMBER 4, 2023

Figure-1: How would YOU interpret this ECG? MY Thoughts on the ECG in Figure-1: When faced with a challenging cardiac arrhythmia — It is a "luxury" to have access to a long lead rhythm strip containing 3 simultaneously -recorded leads. The repeat ECG after this treatment is shown in Figure-4.

EKG/ECG 367

EKG/ECG Wellness 367

Ken Grauer, MD

SEPTEMBER 8, 2023

The ECG in Figure-1 — was obtained from an older man with a history of prior infarction and coronary bypass surgery. Figure-1: The ECG in today's case. ( To improve visualization — I've digitized the original ECG using PMcardio ). There is no ECG indication of chamber enlargement — ST-T wave changes do not look acute.

EKG/ECG 296

EKG/ECG Research 296

Ken Grauer, MD

MAY 20, 2023

The ECG in Figure-1 — was obtained from an older woman with persistent CP ( C hest P ain ) over the previous day. Figure-1: The initial ECG in today's case. Voltage for LVH is satisfied — at least by Peguero Criteria ( Sum of deepest S in any chest lead + S in V4 ≥23 mm in a woman — as discussed in ECG Blog #73 ).

EKG/ECG 314

EKG/ECG Wellness 314

Ken Grauer, MD

OCTOBER 21, 2023

The ECG in Figure-1 is from an older man with known coronary disease — who presents to the ED ( E mergency D epartment ) with new CP ( C hest P ain ) over the past several days. QUESTIONS: In view of this history — How would you interpret the ECG in Figure-1 ? Figure-1: The initial ECG in today's case. Troponin is pending.

EKG/ECG 248

EKG/ECG Shock Wellness 248

Dr. Smith's ECG Blog

JUNE 19, 2024

This is another case sent by the undergraduate (who is applying to med school) who works as an EKG tech. An EKG for chest pain was obtained right away: For an 82 year old, this is a good looking EKG, with sinus rhythm at a rate of 70 BPM. Another EKG was obtained: There is now an atrial paced rhythm.

EKG/ECG 61

EKG/ECG Wellness 61

Ken Grauer, MD

SEPTEMBER 29, 2023

You are asked to interpret the ECG in Figure-1. What is the rhythm in ECG #1 ? MY Thoughts on the ECG in Figure-1: I routinely begin assessment of each 12-lead ECG I encounter — with interpretation of the rhythm. To do this — I apply the P s, Q s, 3 R Approach ( See ECG Blog #185 — for review of my system ).

EKG/ECG 248

EKG/ECG 248

Ken Grauer, MD

SEPTEMBER 1, 2023

Figure-1: 12-lead ECG and long lead II rhythm strip obtained after Adenosine was given for a regular SVT rhythm. MY Thoughts on the ECG in Figure-1: As per the title of today's Blog post — there are numerous variations in the shape of the QRS complex over the course of the 17 beats seen in the long lead II rhythm strip.

EKG/ECG 289

EKG/ECG Administration 289

Ken Grauer, MD

NOVEMBER 18, 2023

For full discussion of this case — See ECG Blog #344 — == How would YOU interpret the lead II rhythm strip shown in Figure-1 ? Section 2F ( 6 pages = the " short " Answer ) from my ECG-2014 Pocket Brain book provides quick written review of the AV Blocks ( This is a free download ). Or — Is it “ something else ”?

EKG/ECG 248

EKG/ECG 248

Dr. Smith's ECG Blog

JULY 23, 2024

They recorded a prehospital ECG at 2112 and said that it was “normal”. I recorded a triage ECG immediately on arrival at 2204, 52 minutes after the first (prehospital transport time was long): What do you think? To improve visualization — I've digitized the initial ECG using PMcardio ). So I uncrumpled it: What do you think?

EKG/ECG 112

EKG/ECG Wellness EMS Hospitals 112

Dr. Smith's ECG Blog

FEBRUARY 6, 2024

Here is his initial ECG around 1330: What do you think? The ECG shows sinus tachycardia with RBBB and LAFB, without clear additional superimposed signs of ischemia. Initial high sensitivity troponin I: 3,830 ng/L (URL 20 ng/L for men) 1445: Similar to initial ECG. He was intubated for altered mental status.

EKG/ECG 113

EKG/ECG Wellness Fractures Hospitals 113

Ken Grauer, MD

AUGUST 11, 2023

I was sent the ECG in Figure-1 , with a request for my opinion — without the benefit of any history. How would YOU interpret the ECG in Figure-1 ? Figure-1: The initial ECG in today’s case. ( To improve visualization — I've digitized the original ECG using PMcardio ). ECG Blog #192 — The 3 Causes of AV Dissociation.

EKG/ECG 195

EKG/ECG 195

Ken Grauer, MD

MARCH 18, 2023

The ECG in Figure-1 was obtained from a man in his mid-60s — who presented with new chest pain. Figure-1: T he initial ECG in today’s case. MY Thoughts on the Initial ECG: The rhythm in ECG #1 — is sinus at ~70/minute. Figure-2: I've labeled significant ST-T wave findings in the limb leads of ECG #1.

EKG/ECG 195

EKG/ECG Wellness 195

Ken Grauer, MD

JULY 15, 2023

The ECG in Figure-1 was obtained from a previously healthy middle-aged man — who while performing his regular exercise routine, developed "slight" chest discomfort and "palpitations". Surprisingly — he was hemodynamically stable with minimal discomfort at the time his initial ECG in Figure-1 was recorded. Could the patient have WPW?

EKG/ECG 195

EKG/ECG Shock EMS 195

Ken Grauer, MD

MARCH 29, 2023

The ECG in Figure-1 is from a man in his 30s — who overall has been healthy, except for a history of "intermittent palpitations" that he has had since childhood. He was hemodynamically stable with ECG #1. Figure-1: The initial ECG in today's case. To improve visualization — I've digitized the original ECG using PMcardio ).

EKG/ECG 195

EKG/ECG Wellness Academics 195

Dr. Smith's ECG Blog

DECEMBER 7, 2023

No EKG arrived with the transfer packet, so I ordered a STAT EKG and went bedside to see her. I walked into the room to see the following EKG before I had the chance to ask any questions. EKG 1 What do you think? We would have taught her "acute reperfused" for this ECG. The angiography fits perfectly with the EKG.

EKG/ECG 114

EKG/ECG Poisoning Hospitals 114

Ken Grauer, MD

FEBRUARY 4, 2023

The ECG in Figure-1 is from a middle-aged man — who had just received thrombolytic therapy for presumed acute infarction. QUESTIONS: How would YOU interpret this ECG? Figure-1: ECG obtained from a middle-aged man following thrombolytic therapy. ( To improve visualization — I've digitized the original ECG using PMcardio ).

EKG/ECG 195

EKG/ECG 195

Ken Grauer, MD

MAY 26, 2023

The ECG in Figure-1 was obtained from a 60-ish year old man with a history of coronary disease ( including prior CABG ) — who presented to the ED ( E mergency D epartment ) with new CP ( C hest P ain ) of 3 hours duration , diaphoresis and nausea/vomiting. The patient was hypotensive at the time his initial ECG in Figure-1 was obtained.

EKG/ECG 195

EKG/ECG Wellness Resuscitation 195

Ken Grauer, MD

JULY 9, 2023

The ECG in Figure-1 was obtained from a 60-year old woman — who presented to the ED ( E mergency D epartment ) for “palpitations”. Her vital signs were normal at the time this triage ECG was recorded. How would YOU interpret the ECG in Figure-1 ? Do you see any indication on this ECG of WHY this patient was about to arrest?

EKG/ECG 195

EKG/ECG 195

Ken Grauer, MD

MARCH 7, 2023

You are given this ECG to review. QUESTION: Is there a potential problem with this ECG? Figure-1: The initial ECG in today's case. == N OTE : Many of us are charged with reviewing ECGs that have been interpreted by other clinicians — often without the benefit of much ( or any ) history. The rhythm in ECG #1 is sinus.

EKG/ECG 195

EKG/ECG Wellness 195