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15 Possible Causes for Inverted P Wave, Tension Pneumothorax

  • Spontaneous Pneumothorax

    An ECG was administered; findings indicated reversal of the arm leads (right axis deviation and inverted P waves in lead I), but there was no actual limb lead reversal present[ncbi.nlm.nih.gov] Tension pneumothorax rarely presented as consequence of PSP.[ncbi.nlm.nih.gov] Four women (12%) presented with recurrent tension pneumothorax within 6 months. Eight patients (24%) had PSP within 72 hours of menses, meeting clinical criteria of CP.[ncbi.nlm.nih.gov]

  • Paroxysmal Supraventricular Tachycardia

    Most patients present with palpitations and dizziness, and their electrocardiogram demonstrates a narrow QRS complex and regular tachycardia with hidden or inverted P waves[ncbi.nlm.nih.gov] pneumothorax should be considered and treated (Class I, LOE C).not reviewed in 20152010Cardiac Arrest Associated With AnaphylaxisGiven the potential for the rapid development[doi.org] P waves in leads II, III, aVF, V 3 -V 6 Rare: References: [1] [3] [4] Pathophysiology AVRT Do not confuse atrioventricular reentrant (or reciprocating) tachycardia ( AVRT[amboss.com]

  • Acute Atrial Infarction

    pneumothorax 6 as well as during retrosternal reconstruction of esophagus. 7 It has not been described in association with AMI for nearly half of a century. 8 Case Report[eplabdigest.com] […] criteria is low, in the range of 5.4-6.9% due to low voltage generated by the thin atrial wall. 5 PR-segment elevation in inferior leads was previously reported in left tension[eplabdigest.com]

  • Pulmonary Emphysema

    The most typical ECG findings in emphysema are: Rightward shift of the P wave axis with prominent P waves in the inferior leads and flattened or inverted P waves in leads[lifeinthefastlane.com] pneumothorax.[ncbi.nlm.nih.gov] Localized persistent interstitial pulmonary emphysema presenting as a spontaneous tension pneumothorax in a full term infant. Pediatr Surg Int. 2006; 22(7):613- 616.[omjournal.org]

  • Incessant Infant Ventricular Tachycardia

    Figure 1 Case 1: 12 lead ECG showing permanent junctional reciprocating tachycardia with deep inverted P waves in inferior leads.[europace.oxfordjournals.org] pneumothorax – Hypoglycemia – Thrombosis (coronary, pulmonary) – Hypothermia – Trauma – Hypo/Hyperkalemia 9.[slideshare.net] Therefore, a circuit is established, being seen as a tachycardia, with normal QRS but with inverted P waves (because of retrograde atrial activation).[patient.info]

  • Escape Beat

    The P wave is inverted in leads II, III, and aV F and can occur before, during (hidden P wave), or after the QRS complex.[studfiles.net] pneumothorax Thrombosis: lungs (massive pulmonary embolism) Thrombosis: heart (acute coronary syndromes) Tablets/toxins: drug overdose How would you differentiate a junctional[studystack.com] waves after QRS, and inverted in inferior leads (since travelling from the down up) Or no P waves at all![quizlet.com]

  • Bradycardia

    This usually appears on an EKG with a normal QRS complex accompanied with an inverted P wave either before, during, or after the QRS complex. [3] An AV junctional escape is[en.wikipedia.org] Management of Bradycardia in the OR1 Bradycardia can be defined as a heart rate Differential Diagnosis1 “8H’s, 8T’s” Hypoxia Tamponade Hypervagal Tension Pneumothorax Hypovolemia[openanesthesia.org] Finally, if tension pneumothorax is clinically suspected as the cause of PEA, initial management includes needle decompression.[doi.org]

  • Bradyarrhythmia

    This usually appears on an EKG with a normal QRS complex accompanied with an inverted P wave either before, during, or after the QRS complex. [3] An AV junctional escape is[en.wikipedia.org] Finally, if tension pneumothorax is clinically suspected as the cause of PEA, initial management includes needle decompression.[doi.org] waves occur before, during, or after the QRS complex RP interval longer than PR interval P waves are inverted (downgoing in II, III and aVF and/or upright in aVR) Retrograde[amboss.com]

  • Sinus Tachycardia

    P waves in leads II, III, aVF, V 3 -V 6 Rare: References: [1] [3] [4] Pathophysiology AVRT Do not confuse atrioventricular reentrant (or reciprocating) tachycardia ( AVRT[amboss.com] Pulmonary etiologies may include tension pneumothorax, pulmonary edema, or pulmonary embolus (including blood, air, fat, etc).[openanesthesia.org] Note the retrograde P waves (after QRS complex), inverted in inferior leads – II, III and avF and upright in anterior leads V1, V2. This is SVT.[epomedicine.com]

  • Enhanced Vagal Tone

    Note the inverted P waves that precede each QRS complex, with a rate of 115 bpm.[misc.medscape.com] pneumothorax 3) Other: anaphylaxis, SVC obstruction, pregnancy, obesity Intraaortic balloon pump: 1) Balloon inflation/deflation timing 2) Indications 3) Contraindications[quizlet.com] Note the inverted P waves that precede each QRS complex, with a rate of 115 bpm. Junctional bradycardia due to profound sinus node dysfunction.[misc.medscape.com]

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