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91 Possible Causes for Absent P Waves

  • 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[] […] failure elevated jugular venous pulse (JVP) bibasilar rales on pulmonary auscultation peripheral edema Evaluation Electrocardiogram (EKG or ECG) irregularly irregular rhythm absent[]

  • Ventricular Fibrillation

    Answers Rhythm: Irregular Rate: Unable to determine P Wave: absent PR interval: absent QRS: absent Interpretation: Ventricular Fibrillation (Fine) Description The morphologic[] Answers Rhythm: Irregular Rate: Unable to determine P Wave: absent PR interval: absent QRS: absent Interpretation: Ventricular Fibrillation (Fine)[] No P wave and no QRS complexes. This rhythm presents with a chaotic waveform which reflects the electrical chaos occurring within the heart.[]

  • Cyanotic Congenital Heart Disease

    The electrocardiogram, in addition to any atrioventricular conduction disturbances, may show abnormal P waves; absent Q waves in V 6 ; abnormal Q waves in leads III, aVR,[]

  • Bradyarrhythmia

    Diagnosis is made via 12 lead EKG and will show an absent P wave, QRS wave and T wave (asystole).[] Junctional rhythm, with absent P waves and a narrow QRS complex, was the primary arrhythmia in 10 episodes.[] In third degree SA block the P wave is absent. Third degree block is also difficult to diagnose on EKG and usually requires electrophysiology studies.[]

  • 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[] V1, the presence of SF is very likely (P 0.001).[] Our data show that SF is present in 45.2% of LBBB patients, whereas it was absent in patients with non-LBBB.[]

  • Atrial Standstill

    Diagnostic criteria of atrial standstill Absent P waves both on surface and intracardiac ECG. Junctional bradycardia.[] A forty-five year old man with longstanding rheumatic heart disease whose surface electrocardiogram (ECG) showed absent P waves and two alternating QRS complex rhythms, one[] EKG Absent P waves. JVP Absent A waves.[]

  • Supraventricular Tachycardia

    In most cases this results in a ‘typical’ SVT appearance with absent P waves and tachycardia Cardiac rhythm strips demonstrating (top) sinus rhythm and (bottom) paroxysmal[] Specific ECG features of AF (i) P-QRS dissociation, or absent P waves (ii) irregular R-R interval (ventricular rate) 3.[] Example 3 Patient with Slow-Fast AVNRT undergoing treatment with adenosine: The top section of the rhythm strip shows AVNRT with absent P waves and pseudo R’ waves clearly[]

  • 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[]

  • Bradycardia

    In third-degree, or complete, SA block, the surface ECG is identical to that of sinus arrest, with absent P waves.[] The P waves are usually identical and each are might proceed or follow QRS complexes. They maybe absent if they occurred during the QRS complex.[]

  • Ventricular Tachycardia

    Answers Rhythm: Regular Rate: 150 P Wave: absent PR interval: n/a QRS: Wide and bizarre Interpretation: Ventricular Tachycardia[] Rhythm Regular Rate Fast (100-250 bpm) P Wave Absent PR Interval Not measurable QRS Wide ( 0.10 sec), bizarre appearance Notes[]

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