This site uses cookies to improve your experience. To help us insure we adhere to various privacy regulations, please select your country/region of residence. If you do not select a country, we will assume you are from the United States. Select your Cookie Settings or view our Privacy Policy and Terms of Use.
Cookie Settings
Cookies and similar technologies are used on this website for proper function of the website, for tracking performance analytics and for marketing purposes. We and some of our third-party providers may use cookie data for various purposes. Please review the cookie settings below and choose your preference.
Used for the proper function of the website
Used for monitoring website traffic and interactions
Cookie Settings
Cookies and similar technologies are used on this website for proper function of the website, for tracking performance analytics and for marketing purposes. We and some of our third-party providers may use cookie data for various purposes. Please review the cookie settings below and choose your preference.
Strictly Necessary: Used for the proper function of the website
Performance/Analytics: Used for monitoring website traffic and interactions
During the night, while on telemetry, the patient became bradycardic, with periods of isorhythmic AV dissociation (nodal escape rhythm alternating with sinus bradycardia), and there were sporadic PVCs. Cardiacarrest was called and advanced life support was undertaken for this patient. Without an MRI, it is impossible to know.
While on telemetry monitoring he suffered cardiacarrest and was resuscitated. What ECG finding may have contributed to (or precipitated) the cardiacarrest? Learning points : Takotsubo can lead to cardiacarrest from ventricular arrhythmia. There are no clear signs of OMI. There is a prolonged QTc.
As per my review of this subject ( Check out My Comment at the bottom of the page in the November 16, 2023 post in Dr. Smith's ECG Blog ) — the 3 most common Causes of ACS ( A cute C oronary S yndrome ) with a "negative" cath are: i ) Myocarditis; ii ) Takotsubo cardiomyopathy; and , iii ) MINOCA.
Discontinue all negative chronotropic agents, since the risk of torsade is much higher with bradycardia or pauses. See this post: How a pause can cause cardiacarrest 2. For more on Torsades de Pointes vs PMVT See My Comment in the October 18, 2023 post and the September 2, 2024 post in Dr. Smith's ECG Blog ).
= Case Presentation by K EN G RAUER, MD ( 5/5 /2023 ): — Edits by Drs. The "good" news — Treatment with naloxone will probably resolve the bradycardia. Meyers & Smith. = Dr. Smith was reading ECGs — and he sent myself and Dr. Meyers the tracing shown in Figure-1. At the time we did not yet know the history. What do YOU think?
Altered Mental Status, Bradycardia == MY Comment , by K EN G RAUER, MD ( 2/2 /2024 ): == Dr. Meyers began today’s case with the clinical challenge of asking you to identify the underlying cause of ECG #2. -- Read this ECG -- Osborn Waves and Hypothermia (this is the "Figure" above) What does LBBB look like in severe hypothermia?
Severely ill patients from any etiology can have very abnormal ECGs = My Comment by K EN G RAUER, MD ( 5/26 /2023 ): = There are more questions than answers in today's case. If the situation is not right for acute coronary occlusion, then the ECG findings probably do not represent acute coronary occlusion.
That said — obvious findings include: i ) Marked bradycardia! — Unfortunately, before this could be accomplished — the patient went into cardiacarrest. She was successfully resuscitated — with a post-arrest rhythm similar to that seen in Figure-1. Cardiac cath did not reveal significant coronary disease!
For example — marked bradycardia with unusual forms of advanced AV block — or marked bradycardia without evident P waves — or marked QRS widening with "shapeless" morphology — are all ECG indication of the need for immediate IV calcium until improvement of these ECG patterns.
This patient is actively dying from a left main coronary artery OMI and cardiacarrest from VT/VF or PEA is imminent! Complete LMCA occlusion is associated with clinical shock and/or cardiacarrest. The arterial blood gas showed a lactic acidosis with a lactate level of 17mmol/L.
Polymorphic Ventricular Tachycardia Long QT Syndrome with Continuously Recurrent Polymorphic VT: Management CardiacArrest. A New Seizure in a Healthy 20-something More cases of long QT not measured correctly by computer (these are all fascinating ECGs/cases): Bupropion Overdose Followed by CardiacArrest and, Later, ST Elevation.
Smith: This bizarre ECG looks like a post cardiacarrest ECG with probable acidosis or hyperkalemia in addition to OMI. The patient died of cardiogenic shock within 24 hours despite mechanical circulatory support. Below the J-point is marked out showing the ST pathologic deviations. What was the pH and K? Potassium 4,6.
Theres sinus bradycardia, borderline PR interval, narrow QRS; normal axis/R wave progression; low precordial voltages, and subtle peaked T waves (most obvious in V2, but all T waves are symmetric with a narrow base). Theres no prior ECG to compare - but the bradycardia, prolonged PR and peaked T waves could all be from hyperkalemia.
In just 90 minutes from presentation, the patient progressed from that very subtle ECG to cardiacarrest. As I emphasized in My Comment in the February 27, 2023 post in Dr. Smith's ECG Blog some patients may develop everything except QRS widening. Dr. McLaren recently wrote an excellent blog post on a similar case.
The patient was unconscious BEFORE the cardiacarrest, at the same time that she had strong pulses. Therefore, cardiacarrest is NOT the etiology of the coma. More cases here to highlight: [link] Middle Aged Woman with Asystolic CardiacArrest, Resuscitated: Cath Lab? OMI is a clinical diagnosis.
This ECG shows a sinus bradycardia with a normal conduction pattern (normal PR, normal QRS, and normal QTc), normal axis, normal R-wave progression, normal voltages. Hypothermia can also produce bradycardia and J waves, with a pseudo-STEMI pattern. 2004 = My Comment by K EN G RAUER, MD ( 1/21 /2023 ): = I thought today's case by Drs.
We organize all of the trending information in your field so you don't have to. Join thousands of users and stay up to date on the latest articles your peers are reading.
You know about us, now we want to get to know you!
Let's personalize your content
Let's get even more personalized
We recognize your account from another site in our network, please click 'Send Email' below to continue with verifying your account and setting a password.
Let's personalize your content