EKGDX Profile picture
Nov 12 4 tweets 6 min read
Acute pulmonary embolism (PE) is one of the most serious form of venous thromboembolism. The clinical presentation of PE is variable and often nonspecific making the diagnosis challenging.

1/

#CardioTwitter Image
Criteria

✅ Sinus tachycardia (most common).
✅ S1Q3T3 pattern (may be present up to 30% of cases). 
✅ Simultaneous T wave inversions in the inferior leads and right precordial leads can be seen.
✅ Right axis deviation.
✅ RBBB (complete or incomplete).

2/

#MedTwitter #ecg
CT form a real case with PE.

3/

#medicine #MedTwitter #MedStudentTwitter #ct #pe #ekgdx #ekg #ecg Image
S1Q3T3 means S wave in lead I, Q wave in III and inverted T wave in III.

Clinical suspicion and prompt diagnosis is key in the management of acute PE.

4/

EKG: ekgdx.com

#CardioTwitter #MedTwitter #ecg #ekg #education #teaching #ClinicalPearl #ekgdx #Retweet

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More from @ekgdx

Nov 15
1/ Let’s talk about PR Interval - Segment #CardioTwitter.

The PR interval represents the time between the onset of atrial depolarization and the onset of ventricular depolarization and reflects conduction through the AV node.

🧵by @ekgdx Image
2/ PR Interval

Criteria

✅ Normal PR interval: 0.12 - 0.20 sec.
✅ Prolonged PR interval: >0.20 sec.
✅ Short PR interval: <0.12 sec.

The term “PQ interval” is preferred by some EKG lover because it is the period actually measured unless the Q wave is absent.

#PR #interval
3/ The PR segment is the segment between the end of the P wave and the start of the QRS complex.

Criteria

✅ Normal PR segment: Usually isolectric.
✅ PR segment elevation: ≥0.5 mm.

PR segment elevation causes: Atrial ischaemia/infarction, myopericarditis, PE, others.

#ekgdx Image
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