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51 Possible Causes for P Wave Absent, Sinus Bradycardia

  • Sinus Arrest

    A continuous ECG recording revealed sinus bradycardia, nodal rhythm, and multiple episodes of sinus arrest lasting up to 4.5 seconds.[ncbi.nlm.nih.gov] Occasionally and when the P waves are absent for a relatively long time, escape beats appear, as other groups of myocardial cells undertake the pacemaking process for a brief[symptoma.com] CONCLUSIONS: This case demonstrates that migration of a peripherally inserted central catheter to the sinoatrial node can provoke prolonged sinus bradycardia, sinus arrest[ncbi.nlm.nih.gov]

  • Atrial Standstill

    Caused by hyperkalemia, extreme sinus bradycardia, digitalis toxicity and a congenital muscle disorder of dogs and cats. atrial systole see atrial contraction (above).[medical-dictionary.thefreedictionary.com] Diagnostic criteria of atrial standstill Absent P waves both on surface and intracardiac ECG. Junctional bradycardia.[metealpaslan.com] Sinus bradycardia changing to junctional rhythm b. Junctional rhythm changing to idioventricular rhythm c. Sinus bradycardia with PJCs d.[floatnurse-mike.blogspot.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] Dysrhythmia Atrial Arrhythmias Atrial Ectopic Rhythm Atrial Fibrillation / Flutter Junctional Rhythm PACs PSVT / PAT / SVT Sinus Bradycardia Sinus Pauses / Asystole Sinus[equimedcorp.com] ( R00.1 ) sinus bradycardia ( R00.1 ) vagal bradycardia ( R00.1 ) Type 2 Excludes bradycardia NOS ( R00.1 ) Other cardiac arrhythmias Clinical Information A cardiac rhythm[icd10data.com]

  • Hyperkalemia

    bradycardia, and atrioventricular block. 4 Characteristic ECG changes in hypokalemia include ST segment depression, a decrease in T wave amplitude, and an increase in U wave[acls.com] Role of inducing K loss via the GI tract in the management of hyperkalemia Setting Recommendations Hyperkalemia with severe ECG changes (e.g. absent P waves, wide QRS complex[doi.org] Sinus bradycardia and conduction defects can also occur. Above 8 mM, the P wave disappears and the QRS complex widens and merges with the T wave.[sharinginhealth.ca]

  • Sick Sinus Syndrome

    Types of sick sinus syndrome Sinus bradycardia A normal heart rate is considered to be from 60 to 100 beats per minute.[belmarrahealth.com] In 3rd-degree SA block, conduction is blocked; P waves are absent, giving the appearance of sinus arrest.[merckmanuals.com] ECG Examples Example 1 Sinus arrest: Prolonged absence of sinus node activity (absent P waves) 3 seconds.[lifeinthefastlane.com]

  • Atrial Fibrillation

    P waves are absent and replaced by irregular electrical activity. The ventricular rate is irregular and chaotic.[web.archive.org] bradycardia.[ncbi.nlm.nih.gov] P waves are absent and replaced by irregular electrical activity. The ventricular rate is irregular and chaotic. Figure 1 Electrocardiogram showing atrial fibrillation.[aafp.org]

  • Accidental Hypothermia

    Abstract His bundle electrocardiography was performed on a patient with accidental hypothermia on whom the standard electrocardiogram (ECG) showed absent P waves, prominent[ncbi.nlm.nih.gov] Additional findings included atrial fibrillation, severe sinus bradycardia, and prominent J (Osborn) waves.[ncbi.nlm.nih.gov] Sinus bradycardia was observed in 52.5% of the patients.[ncbi.nlm.nih.gov]

  • 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] Sinus bradycardia. Sinoatrial (SA) block. Ventricular fibrillation. 3.[ecgwaves.com] Sinus node dysfunction and tach-brady syndrome. Ventricular tachycardia, ventricular fibrillation and torsade de pointes.[ecgwaves.com]

  • Sinoatrial Block

    CASE STUDY: The case report presented herein describes a patient with symptomatic sinus bradycardia and second-degree SA block with a Wenckebach periodicity, in whom the primary[ncbi.nlm.nih.gov] There is progressive shortening of the P-P interval, followed by an absent P wave-QRS complex.[lifeinthefastlane.com] In both patients, the rest electrocardiogram showed apparent sinus bradycardia.[ncbi.nlm.nih.gov]

  • Premature Ventricular Contraction

    Another case is after carefully studying the ECG tracing and determining that the underlying arrhythmia is Sinus Bradycardia, Lidocaine may not be used.[nurseslearning.com] A reduction in cardiac output during ectopic beats can produce concealed mechanical bradycardia with a symptom complex similar to severe sinus node dysfunction (1) .[electrophysiology.onlinejacc.org] A reduction in cardiac output during ectopic beats can produce concealed mechanical bradycardia with a symptom complex similar to severe sinus node dysfunction (1).[electrophysiology.onlinejacc.org]

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