Ken Grauer, MD
AUGUST 16, 2024
I see the following: There is sinus tachycardia ( upright P wave with fixed PR interval in lead II ) — at the rapid rate of ~130/minute. Sinus Tachycardia and RAD — as already noted above. PEARL # 2: In the absence of associated heart failure ( cardiogenic shock ) — sinus tachycardia is not a common finding in acute MI.
Frontiers in Cardiovascular Medicine
FEBRUARY 5, 2024
Although sinus tachycardia is the most commonly encountered rhythmic disturbance, subsequent reports have highlighted other findings. Catheter-directed thrombolysis and a temporary pacemaker insertion were carried out sequentially. She presented with presyncope and an initial blood pressure of 77/63 mmHg.
Dr. Smith's ECG Blog
NOVEMBER 4, 2022
This has been termed a “STEMI equivalent” and included in STEMI guidelines, suggesting this patient should receive dual anti-platelets, heparin and immediate cath lab activation–or thrombolysis in centres where cath lab is not available. A slightly prolonged QTc ( although this is difficult to assess given the tachycardia ).
Ken Grauer, MD
APRIL 9, 2023
NOTE: As discussed in detail in ECG Blog #108 — " A IVR" is an "enhanced" ventricular ectopic rhythm that occurs faster than the intrinsic ventricular escape rate ( which is typically between 20-40/minute ) — but slower than hemodynamically significant Ventricular Tachycardia ( ie, VT at rates >130-140/minute ).
Ken Grauer, MD
MARCH 8, 2025
While its action improves AV conduction it may increase the sinus rate, producing a sinus tachycardia with adverse effect. Comparable benefit from acute reperfusion ( by PCI or thrombolysis ) is seen in patients with acute coronary occlusion from an OMI, as from a STEMI. However, Atropine is not benign.
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