Dr. Smith's ECG Blog

JANUARY 2, 2025

It should be kept in mind that on occasions, beta-one agonist can result in increased ventricular ectopy e.g., in severe myocardial ischemia (by increasing myocardial demand), or sometimes with congenital long-QT syndrome. Smith, this can be accomplished by either using beta-one agonists or temporary transvenous pacing.

Tachycardia 115

Tachycardia Cardiomyopathy Blog Bradycardia 115

Dr. Smith's ECG Blog

NOVEMBER 19, 2016

DISCUSSION: The 12-lead EKG EMS initially obtained for this patient showed severe ischemia, with profound "infero-lateral" ST depression and reciprocal ST elevation in lead aVR. The ECG cannot diagnose the etiology of ischemia; it only the presence of ischemia, from whatever etiology.

Ischemia 40

Ischemia Cardiogenic Shock Aortic Stenosis 40

Dr. Smith's ECG Blog

MARCH 2, 2019

Diffuse ST depression with ST elevation in aVR: Is this pattern specific for global ischemia due to left main coronary artery disease? Ischemia b. Opinions vary widely on the K level at which a patient must be admitted on a monitor because of the risk of ventricular dysrhythmias. ST depression: is it ischemia?

Sickle Cell Disease 52

Sickle Cell Disease Ischemia Dysrhythmia Chest Pain 52

Dr. Smith's ECG Blog

MARCH 6, 2020

There is no evidence of infarction or ischemia. NT-proBNP values less than 300 pg/ml have a 99% negative predictive value for excluding congestive heart failure. A cutoff of 1200 pg/ml for patients with a normal eGFR is very specific for heart failure. Troponin I was 0.054 ng/mL NT-ProBNP was 8316 (0-900 pg/mL). "

Heart Failure 52

Heart Failure Tachycardia Atrial Flutter Cardiomyopathy 52

Dr. Smith's ECG Blog

APRIL 8, 2016

If there is polymorphic VT with a long QT on the baseline ECG, then generally we call that Torsades, but Non-Torsades Polymorphic VT can result from ischemia alone. Could the dysrhythmias have been prevented? Severe hypokalemia in the setting of STEMI or dysrhythmias is life-threatening and needs very rapid treatment.

STEMI 52

STEMI Myocardial Infarction Cardiac Arrest Arrhythmia 52

Dr. Smith's ECG Blog

APRIL 8, 2015

Evidence of acute ischemia (may be subtle) vii. History of Cardiovascular disease (all studies): Especially any history of heart failure or structural cardiac disease, including valvular 4. to 22.7), a history of congestive heart failure (OR: 5.3, 2nd or 3rd degree AV blocks or sinus pause of at least 2 seconds iv.

Arrhythmia 52

Arrhythmia Outcomes Chest Pain Risk Factors 52