Dr. Smith's ECG Blog

JULY 21, 2024

There is no definite evidence of acute ischemia. (ie, Simply stated — t he patient was having recurrent PMVT without Q Tc prolongation, and without evidence of ongoing transmural ischemia. ( Some residual ischemia in the infarct border might still be present. Both episodes are initiated by an "R-on-T" phenomenon.

Arrhythmia 131

Arrhythmia Cardiogenic Shock Bradycardia Defibrillator 131

Dr. Smith's ECG Blog

FEBRUARY 6, 2024

The ECG shows sinus tachycardia with RBBB and LAFB, without clear additional superimposed signs of ischemia. Circulation: Cardiovascular Imaging. Other Arrhythmias ( PACs, PVCs, AFib, Bradycardia and AV conduction disorders — potentially lethal VT/VFib ). Chest trauma was suspected on initial exam. 2015, March 1). Cramer, M.

Tachycardia 115

Tachycardia Dysrhythmia Atrial Fibrillation Bradycardia 115

Dr. Smith's ECG Blog

AUGUST 9, 2024

lidocaine) can result in severe bradycardia or asystole (Weinberg, Sedowski and Alexander, below) The presence of accelerated idioventricular rhythm does not affect prognosis, and there is no definitive evidence that, if left untreated, the incidence of VF or death is increased. Circulation Research , 56 (2), 184–194. Moffat, M.

Chest Pain 107

Chest Pain Arrhythmia Myocardial Infarction STEMI 107

Dr. Smith's ECG Blog

JANUARY 3, 2022

Sinus bradycardia, normal conduction, normal axis, normal R wave progression, no hypertrophy. 2] Here there is no posterior ST elevation, but the anterior ST depression is also less—so it is dynamic, confirming acute ischemia. What do you think? But it is still STEMI negative.

STEMI 52

STEMI Myocardial Infarction Chest Pain Ischemia 52

Dr. Smith's ECG Blog

JANUARY 23, 2024

Extensive conduction system abnormalities can have various causes (ischemia, genetic, infectious, amyloid, etc). The physiologic reason for this — is thought to be the result of momentarily increased circulation from mechanical contraction arising from the "sandwiched in" QRS complex. The QRS complex in ECG #1 is wide.

Tachycardia 107

Tachycardia Arrhythmia Heart Disease Sudden Cardiac Death 107

Dr. Smith's ECG Blog

APRIL 8, 2016

There is also bradycardia. Bradycardia puts patients at risk for "pause-dependent" Torsades de Pointes. Torsades in acquired long QT is much more likely in bradycardia because the QT interval following a long pause is longer still. mEq of K pushed fast and circulated theoretically would raise serum K immediately by 1.0

STEMI 52

STEMI Myocardial Infarction Cardiac Arrest Arrhythmia 52

Dr. Smith's ECG Blog

JUNE 28, 2019

For coronary anatomy, see here: [link] This is the post intervention ECG: All ST Elevation is gone (more proof that it was all a result of ischemia) Formal Echo: Normal estimated left ventricular ejection fraction - 55%. This is sinus bradycardia. More likely, these T waves probably reflect ischemia of uncertain age.

Chest Pain 52

Chest Pain Pericarditis Stent Stents 52