Slow Pulse Causes & Reasons

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Patient File

Sex unknown, Age unknown

Reported Symptoms

Slow Pulse,

Negated

None

Unsure

None

Possible Causes

Gastroesophageal Reflux Disease

However, after repeated bouts of coughing, the heart rate showed bradycardia associated with convulsion. [ncbi.nlm.nih.gov]

Cimetidine has been reported to cause bradycardia in a small subgroup of people. [richtlijnendatabase.nl]

Moreover, GERD may underlie other signs or conditions, such as impaired quality of life, food refusal, persisting hiccups, abnormal posturing/Sandifer’s syndrome, anemia, and bradycardia [intechopen.com]

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Vasovagal Syncope

The pulse rate slows: Due to the disturbance in the vagus nerve control, the pulse rate slows. [buoyhealth.com]

weak pulse and dilated pupils Recovery generally begins in less than a minute. [newgradoptometry.com]

weak pulse Dilated pupils Recovery after a vasovagal episode begins soon after fainting, generally in less than a minute. [fortishealthcare.com]

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Syncope

pulse Neurally mediated syncope (vasovagal), cardiac syncope (bradyarrhythmia) Tonic-clonic movement or posture Seizure None Vasovagal or cardiac syncope in older patients [aafp.org]

Symptoms include deep and fast respiration, weak and slow pulse and respiratory pauses that may last for 60 seconds. [en.wikipedia.org]

Myoclonic, tonic-clonic movement Neurally mediated syncope (vasovagal), seizure Prolonged confusion* Seizure Prolonged syncope Seizure, neurogenic, metabolic, infectious Slow [aafp.org]

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Micturition Syncope

These episodes were observed in the minutes following the catheterisations performed in the sitting position, associating hypotension and bradycardia. [ncbi.nlm.nih.gov]

The vagus nerve stimulus causes slowing down of the heart (bradycardia) and a drop in blood pressure. [en.wikipedia.org]

MS is caused by reflex which results with vasodilatation and bradycardia, like defecation syncope. [scopemed.org]

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Cardiomyopathy

This pacemaker also will help people with heart block or some bradycardias (slow heart rates). Implantable cardioverter defibrillators (ICD). [medicinenet.com]

Sudden cardiac death Clinical risk assessment Models for estimating sudden cardiac death Prevention of sudden cardiac death Risk of sudden death in children Symptomatic bradycardia [escardio.org]

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Posterior Myocardial Infarction

[…] present in leads V3R and/or V4R, the disorder of conduction was "severe" (complete atrioventricular block or sinotrial block with pauses) in half the cases and "unstable" (bradycardia [ncbi.nlm.nih.gov]

Clinical examination may reveal cutaneous pallor or cyanosis, diaphoresis, tachycardia (or bradycardia, in cases where an atrioventricular block coexists), various atrial [symptoma.com]

Sinus bradycardia. Note, leads V4, V5, and V6 still remain in positions V4R, V8, and V9 (respectively). [aclsmedicaltraining.com]

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Sleep Apnea

This is known as “bradycardia.” The infant even may lose consciousness and need to be resuscitated. Infant sleep apnea has two general causes. [sleepeducation.org]

In the present study tachycardia-bradycardia syndrome was detected in 45% of the Holter readings; atrial fibrillation was the most common type of tachycardia. [revespcardiol.org]

An early study indicated that oxygen therapy was somewhat beneficial in reducing the frequency of apneic episodes and the incidence of apnea-induced bradycardia. 34 These [aafp.org]

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Acute Myocardial Infarction

Their results were mixed: IV magnesium reduced the incidence of serious arrhythmias, but this treatment also increased the incidence of profound hypotension, bradycardia and [cochrane.org]

It is recommended that anti-arrhythmic therapy for bradycardia and/or ventricular irritability be available when TNKase is administered. [tnkase.com]

[…] incidence of ventricular fibrillation, ventricular tachycardia, severe arrhythmia needing treatment or Lown 2-5, but it may increase the incidence of profound hypotension, bradycardia [cochrane.org]

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Myocardial Infarction

pulse Dyspnea, cough with frothy sputum All of these symptoms are not pathognomonic. [bookinghealth.com]

We describe a 41-year-old man who presented with steep down-sloping ST-segment elevation, paroxysmal ventricular tachycardia, severe sinus bradycardia, and intermittent complete [ncbi.nlm.nih.gov]

Bradycardia may also occur in some types of seizures. [en.wikipedia.org]

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Obstructive Sleep Apnea

Cardiovascular Disease in Obstructive Sleep Apnea • Vagal stimulation causes bradycardia • Bradycardia and hypoxia provoke serious cardiac rhythm disturbances i.e. premature [slideshare.net]

The interaction between reflex apnoea and bradycardia produced by injecting 5-HT into the nodose ganglion. [doi.org]

Heart rates often change during apneic episodes, with relative bradycardia occurring during airway obstruction followed by tachycardia during arousals. [todaysgeriatricmedicine.com]

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Bradyarrhythmia

slow heart beat, Heartbeat (pulse);slow, decreased heart rate, heart rate slowing, low pulse rate, pulse slowing, low pulse rates, pulse slow, bradycardias, pulse rate low [fpnotebook.com]

Pseudobradycardias manifesting as slow peripheral pulse rates can result from frequent, nonconducted early atrial premature beats, from ventricular bigeminy or runs of ventricular [ncbi.nlm.nih.gov]

slow heart rate, Bradycardia NOS, Heart rate decreased, Heart rate low, Bradycardia [Disease/Finding], decreasing heart rate, heart rate slow, slow pulse, low heart rate, [fpnotebook.com]

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Diabetic Autonomic Neuropathy

Bradycardia did not respond to atropine. Postoperative autonomic nervous function tests showed advanced autonomic neuropathy. [ncbi.nlm.nih.gov]

Cardiac autonomic neuropathy (CAN) has been linked to resting tachycardia, postural hypotension, orthostatic bradycardia and orthostatic tachycardia (POTTS), exercise intolerance [ncbi.nlm.nih.gov]

Physical examination is likely to indicate variability in heart rate (resting tachycardia followed by bradycardia and later a fixed heart rate). [symptoma.com]

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Sick Sinus Syndrome

The mainstay of treatment is ventricular pacing for bradyarrhythmias (slow pulse rate) for pauses of 2-3 seconds or more. [healthengine.com.au]

Symptoms of SSS include: fainting or fainting sensations fatigue dizziness palpitations (abnormal heart beats) very slow pulse (bradycardia) difficulty breathing chest pain [healthline.com]

Diagnosis A slow pulse, especially one that is irregular, may be the first indication of sick sinus syndrome. [medical-dictionary.thefreedictionary.com]

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Vasomotor Instability

Instability of blood pressure and heart rate has been reported after lateral medullary infarction in association with central hypoventilation, but in that case bradycardia [jamanetwork.com]

A fall in BP always preceded bradycardia. No healthy or syncope control patients had orthostatic tachycardia. [nature.com]

In selective cardiac vagal failure, the overshoot may be present, but the corresponding bradycardia is lacking ( 11 ). HUT table testing. [nature.com]

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Opiate Overdose

Symptoms of an Overdose: Slow breathing (less than 1 breath every 5 seconds) or no breathing Vomiting Face is pale and clammy Blue lips, fingernails, or toenails Slow, erratic [columbus.gov]

During an overdose, opioid users may get a blue tinge to their lips, become pale, develop an erratic pulse, breathing may slow or stop entirely, and they may become limp or [mlive.com]

Having a slow or absent pulse. 4, 7 Call 911 if you observe these symptoms in another person or believe you may be overdosing. [recovery.org]

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Carotid Sinus Syncope

In pts with SSS, A-V block or atrial fibrillation with bradycardia, PM was inserted (DDDR or VVIR). [ncbi.nlm.nih.gov]

Pacemaker therapy controlled the cardioinhibitory reflex with bradycardia, but the patients manifested varying episodes of hypotension due to a vasodepressor reflex that most [ncbi.nlm.nih.gov]

The episodes were characterised by hypotension, sharp pain in the right neck, dizziness, and bradycardia. [ncbi.nlm.nih.gov]

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Hyperkalemia

Other clinical signs include muscular weakness and a slow irregular pulse. [medical-dictionary.thefreedictionary.com]

However, if symptoms do exist, they typically are muscle weakness, irregular heartbeat, or a slow, weak, or absent pulse. [my.clevelandclinic.org]

We defined adverse events as symptomatic bradycardia, ventricular tachycardia, ventricular fibrillation, cardiopulmonary resuscitation (CPR) and/or death. [ncbi.nlm.nih.gov]

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Autonomic Neuropathy

In addition to hypotension, many newly recognized syndromes can be attributed to cardiac autonomic neuropathy such as orthostatic tachycardia and bradycardia. [ncbi.nlm.nih.gov]

[…] abdominal pain, nausea, vomiting, malabsorption, fecal incontinence, gastroparesis, diarrhea, constipation Cardiovascular system: disturbances of heart rate (tachycardia, bradycardia [en.wikipedia.org]

Normally, a tachycardia is followed by reflex bradycardia. The 30:15 ratio is normally 1.03. [medscape.com]

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Sinus Bradycardia

Trained athletes are prone to bradycardia (slow pulses) with heart rates below 40 beats per minute common at rest. [rjmatthewsmd.com]

심장내과/심전도 2019. 3. 14. 00:03 동서맥(sinus bradycardia)는 신체 진찰 pulse taking에서 slow pulse를 확인한 이후에 ECG(심전도)로 확진을 합니다. 진단은 12 leads 심전도(EKG)로 하며 보통 쉽습니다. [tistorysjloveu2.tistory.com]

Symptoms of SSS include: fainting or fainting sensations fatigue dizziness palpitations (abnormal heart beats) very slow pulse (bradycardia) difficulty breathing chest pain [healthline.com]

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Third Degree Atrioventricular Block

He was not injured in the fall, but the paramedics noted a slow pulse. He denied significant medical history. [ecgguru.com]

It can also cause bradycardia and even total atrioventricular block. Rarely, it causes coronary artery spasm and even myocardial infarction. [ncbi.nlm.nih.gov]

The unopposed parasympathetic tone in patients with dysautonomia may make them susceptible to bradycardia and atrioventricular block. [ncbi.nlm.nih.gov]

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Head Trauma

pulse Slow breathing rate, with an increase in blood pressure Ringing in the ears or changes in hearing Cognitive difficulties Inappropriate emotional responses Speech difficulties [aans.org]

[…] eye movement, blindness) Cerebrospinal fluid (CSF) (which may be clear or blood-tinged) coming out of the ears or nose Dizziness and balance problems Breathing problems Slow [aans.org]

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Cerebral Hemorrhage

The patient's pupils are dilated, unequal and slow to react. Pulse oximetry readings are 80% and the GCS is 6. [emsworld.com]

[…] few hours Focal deficits worsen with expansion of the hematoma Late: symptoms of increased intracranial pressure Nausea and vomiting Confusion and loss of consciousness Bradycardia [amboss.com]

Symptoms may include: Apnea and bradycardia (stopping breathing and low heart rate) Pale or blue coloring (cyanosis) Weak suck High-pitched cry Seizures Swelling or bulging [lpch.org]

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AV Block Mobitz I

Observations on some cases of permanently slow pulse. Dublin Quarterly Journal of Medical Science, 1846, 2: 73–85. [en.wikipedia.org]

This can result in no pulse or a very slow pulse if a back up heart rate is present. What causes heart block? [urmc.rochester.edu]

(C) Bradycardia with normal heart rate intervals at a rate of 55 after Mobitz type II AV block. (D) Mobitz type II AV block reappeared when the ureterus was repaired. [anesthesiology.pubs.asahq.org]

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AV Block Mobitz II

Observations on some cases of permanently slow pulse. Dublin Quarterly Journal of Medical Science, 1846, 2: 73–85. [en.wikipedia.org]

This can result in no pulse or a very slow pulse if a back up heart rate is present. What causes heart block? [cedars-sinai.org]

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Hypothyroidism

Dry skin Slow pulse Weight gain (modest, no more than 5-10 lbs) The symptoms of hypothyroidism may resemble other conditions or medical problems. [stanfordchildrens.org]

Puffy and swollen face Weight gain Constipation Sparse, coarse, and dry hair Coarse, dry, and thickened skin Hand tingling or pain (carpal tunnel syndrome) Slow pulse Muscle [uclahealth.org]

[…] growth Delayed tooth development Tiredness Feeling cold Constipation Slow growth Delayed puberty Hoarse voice Slow speech Droopy eyelids Puffy and swollen face Hair loss [stanfordchildrens.org]

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Second Degree Atrioventricular Block

[…] of a 65-year-old man with a slow pulse. [doi.org]

We present an example of bradycardia-dependent aberrancy in the left posterior fascicle in the presence of type I second-degree atrioventricular block occurring in the setting [ncbi.nlm.nih.gov]

On physical exam, he presented diaphoresis, bradycardia, and irregular heart rate. The electrocardiogram (ECG) showed second degree atrioventricular block Mobitz type I. [ncbi.nlm.nih.gov]

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Acute Atrial Infarction

MIs involving the inferior (lower) wall of the left ventricle may result in abnormally slow pulse (bradycardia) and low blood pressure (hypotension). [calshipleymd.com]

After coronary angiography, the patient had chest pain associated with hypotension, sinus bradycardia, periods of complete atrioventricular block, and one episode of ventricular [jamanetwork.com]

Stages of treatment options for bradycardia 1. [bikinflipchart.wordpress.com]

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Heroin Dependence

Signs of a heroin overdose include: Shallow breathing Dry mouth Tongue discoloration Very small pupils Slow pulse Bluish lips [addictioncenter.com]

[…] and difficult breathing Weak pulse In extreme cases, coma What Sort Of Treatments Are Available? [addictioncampuses.com]

Discoloration of nails (blue or purple) Drowsiness Dry mouth Muscle spasms Reduced pupil size (pinpoint pupils) Stomach or intestinal spasms Stopped breathing, shallow breathing, or slow [addictioncampuses.com]

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Subdural Hematoma

She was discharged but returned 3 days later with apneic episodes, along with bradycardia and hypertension. She was promptly intubated. [ncbi.nlm.nih.gov]

Signs of foramen magnum herniation are downbeat nystagmus, bradycardia, bradypnea, and hypertension. [cancertherapyadvisor.com]

Check vital signs, looking for evidence of bradycardia and hypertension associated with raised intracranial pressure. [patient.info]

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Subarachnoid Hemorrhage

Signs and Symptoms of Subarachnoid Hemorrhage Signs of a subarachnoid hemorrhage may include: Seizures Apnea: temporarily ceasing to breathe Bradycardia: slow heart rate [abclawcenters.com]

[…] manifestations are non-specific, but commonly include: deep, symmetric T wave inversions 12 often referred to as "cerebral T waves" prolongation of the QT interval sinus bradycardia [radiopaedia.org]

Hydrocephalus Occurs in 20–30% of patients with SAH [7] Acute obstructive hydrocephalus Chronic communicating hydrocephalus Other complications [9] Elevated ICP: hypertension, bradycardia [amboss.com]

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