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Torsade in a patient with left bundle branch block: is there a long QT? (And: Left Bundle Pacing).

Dr. Smith's ECG Blog

Bedside cardiac ultrasound showed moderately decreased LV function. Discontinue all negative chronotropic agents, since the risk of torsade is much higher with bradycardia or pauses. She was intubated. CT of the chest showed no pulmonary embolism but bibasilar infiltrates. The plan: 1. Place temporary pacemaker 3.

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A 40-Something male with a "Seizure," Hypotension, and Bradycardia

Dr. Smith's ECG Blog

Both of these features make inferior + RV MI by far the most likely ( Pseudoanteroseptal MI is another name for this ) There is also sinus bradycardia and t he patient is in shock with hypotension. A narrow complex bradycardia without any P-waves is also likely to respond to atropine, as it may be a junctional rhythm.

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56 year old male had 5/10 chest pain for several hours, then presented to the ED in the middle of the night with 1/10 pain.

Dr. Smith's ECG Blog

Case continued Another ECG was recorded 3 hours later, still 1/10 pain: There is sinus bradycardia with RBBB. A bedside cardiac ultrasound performed by a true EM expert (Robert Reardon, who wrote the cardiac ultrasound chapter in Ma and Mateer) showed an inferior wall motion abnormality. They only mask the underlying pathology.

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What are treatment options for this rhythm, when all else fails?

Dr. Smith's ECG Blog

There was no evidence bradycardia leading up to the runs of PMVT ( as tends to occur with Torsades ). If there had been — a temporary atrial pacemaker could have been considered as a way of increasing the heart rate to suppress a bradycardia-dependent arrhythmia ("overdrive pacing").

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A 50-something with chest pain.

Dr. Smith's ECG Blog

Arrival at time 0 ECG 7 min Roomed in hallway at 17 min Moved to room with monitor at 37 min The patient was seen briefly by the physician, who then went to get an ultrasound machine. MY Thoughts on the ECG in Figure-1: The rhythm in ECG #1 is sinus bradycardia at ~50-55/minute. Then he was placed in a room after 30 minutes.

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Syncope, Shock, AV block, Large RV, "Anterior" ST Elevation.

Dr. Smith's ECG Blog

In any case, there is bradycardia. A bedside cardiac ultrasound was recorded: Here is a still image of the echo: The red arrows outline the right ventricle and the yellow arrows outline the left ventricle chamber. Second: what does the ultrasound tell us about the condition? No shock was ever delivered. He was in profound shock.

STEMI 40
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Three normal high sensitivity troponins over 4 hours with a "normal ECG"

Dr. Smith's ECG Blog

The ECG shows sinus bradycardia but is otherwise normal. On intravascular ultrasound (IVUS), the mid RCA plaque was described as "cratered, inflamed, and bulky," and the OM plaque was described as "bulky with evidence of inflammation and probably ulceration." The documentation does not describe any additional details of the history.

Angina 121