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52 Possible Causes for P Wave Absent, Wide QRS Complex

  • Hyperkalemia

    Example of bradycardia with absent or flattened p waves in hyperkalemia. Care of Dr. Smith’s ECG blog.[emergencymedicinecases.com] complex tachycardia.[ncbi.nlm.nih.gov] QRS complexes.[ncbi.nlm.nih.gov]

  • Ventricular Tachycardia

    Answers Rhythm: Regular Rate: 150 P Wave: absent PR interval: n/a QRS: Wide and bizarre Interpretation: Ventricular Tachycardia[ekg.academy] Philosophy, merits and limitations of a novel method for wide QRS complex tachycardia differentiation, based on a scoring system and called the ventricular tachycardia (VT[ncbi.nlm.nih.gov] Rhythm Regular Rate Fast (100-250 bpm) P Wave Absent PR Interval Not measurable QRS Wide ( 0.10 sec), bizarre appearance Notes[practicalclinicalskills.com]

  • Ventricular Fibrillation

    Answers Rhythm: Irregular Rate: Unable to determine P Wave: absent PR interval: absent QRS: absent Interpretation: Ventricular Fibrillation (Fine) Description The morphologic[ekg.academy] The QRS complexes are wide and have an abnormal morphology.[fpnotebook.com] "Application of a new algorithm in the differential diagnosis of wide QRS complex tachycardia." European heart journal 28.5 (2007): 589-600.[derangedphysiology.com]

  • Atrial Flutter

    Practice Strip Answers Rhythm: Regular Rate: Ventricles - 80, Atria - 320 P wave: "F" waves PR interval: absent QRS: 0.08 Interpretation: Atrial Flutter 4:1[ekg.academy] We report the case of a 67-year-old female with a wide QRS complex tachycardia at 180 bpm.[ncbi.nlm.nih.gov] QRS complex, and regular rhythm, especially when considering pharmacologic treatment.[ncbi.nlm.nih.gov]

  • Atrial Fibrillation

    P waves if arrhythmia is not captured on ECG then Holter monitoring in the outpatient setting these patients are hemodynamically stable telemitry in the inpatient setting[medbullets.com] QRS complexes and prominent repolarization.[ncbi.nlm.nih.gov] QRS complexes due to abnormal ventricular depolarisation via accessory pathway QRS Complexes change in shape and morphology Axis remains stable unlike Polymorphic VT Treatment[lifeinthefastlane.com]

  • Electrolyte Imbalance

    U waves B. Absent P waves C. Elevated T waves D. Elevated ST segment 57. A. Obtaining a controlled IV infusion pump B. Monitoring urine output during administration C.[proprofs.com]

  • Accidental Hypothermia

    His bundle electrocardiography was performed on a patient with accidental hypothermia on whom the standard electrocardiogram (ECG) showed absent P waves, prominent J waves[ncbi.nlm.nih.gov]

  • Atrial Standstill

    Diagnostic criteria of atrial standstill Absent P waves both on surface and intracardiac ECG. Junctional bradycardia.[metealpaslan.com] We report a 55-year-old female patient who presented with no P waves but with a wide QRS complex escape rhythm at 44 beats/min and prolonged QTc of 0.55 seconds on ECG.[ncbi.nlm.nih.gov] EKG Absent P waves. JVP Absent A waves.[medical-dictionary.thefreedictionary.com]

  • Left Bundle Branch Block

    The presence of a mid-QRS notching in more than two consecutive leads was a good predictor for the presence of SF (P 0.01), and when combined with an absent R-wave in lead[ncbi.nlm.nih.gov] However, in some patients, LBBB may vary with heart rate, and during episodes of AF in LBBB, aberrant ventricular conduction, or wide QRS complex tachycardia (Ashman beats[ncbi.nlm.nih.gov] These altered electrical forces produce a wide QRS complex (greater than 0.12 seconds in duration) with an abnormal morphology.[meds.queensu.ca]

  • Dextrocardia

    , aka ‘global negativity’ (inverted P wave, negative QRS, inverted T wave) Absent R-wave progression in the chest leads (dominant S waves throughout) These changes can be[lifeinthefastlane.com] In the absence of wide QRS complexes, as with ventricular rhythms, dextrocardia should be considered.[emsworld.com] ’ (inverted P wave, negative QRS , inverted T wave) * Absent R-wave progression in the chest leads (dominant S waves throughout) Diagram above shows left-sided ECG recorded[ecg-educator.blogspot.com]

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