Results 41 to 50 of about 41,287 (294)

Acute complete heart block in dogs [PDF]

open access: yes, 1955
A study has been conducted immediately and up to 18 days after the surgical production of complete heart block in dogs. Immediately after surgery cardiac output, coronary flow, and mean arterial pressure were reduced in rough proportion to the degree of ...
COHN A. E.   +5 more
core   +1 more source

Significance of Chronic Sinus Bradycardia in Elderly People [PDF]

open access: yesCirculation, 1972
It may be difficult to evaluate sinus bradycardia in the elderly since sinus rates below 50 beats/min may occur normally with aging. Seven asymptomatic bradycardic subjects (heart rates 41-51 beats/min), ages 67-79 years, with no evidence of impaired cardiac performance and taking no drugs, were compared with four age-matched controls (heart rates 60 ...
Elaine Y. Rosin   +3 more
openaire   +4 more sources

Pediatric clonidine poisoning

open access: yesJournal of Pediatric Critical Care, 2021
Clonidine, a commonly used anti-hypertensive agent, is being increasingly used in the treatment of pediatric behavioral disorders, thus increasing the incidence of pediatric poisoning.
Dipti Sanklecha   +3 more
doaj   +1 more source

The effects of repetitive electric cardiac stimulation in dogs with normal hearts, complete heart block and experimental cardiac arrest [PDF]

open access: yes, 1955
Direct cardiac stimulation was conducted in the open chest. In normal animals, auricular stimulation at frequencies faster than the spontaneous rate caused little change in vascular pressures or cardiac output.
GAERTNER, RA, STARZL, TE, WEBB, RC
core   +1 more source

Asymptomatic Profound Sinus Bradycardia (Heart Rate ≤45) in Non-small Cell Lung Cancer Patients Treated with Crizotinib [PDF]

open access: yes, 2011
:Crizotinib, a dual MET/ALK inhibitor, is now in advanced clinical development for the treatment of anaplastic lymphoma kinase (ALK)-rearranged non-small cell lung cancer (NSCLC).
Azada, Michele   +3 more
core   +1 more source

A Rare but Reversible Cause of Lithium-Induced Bradycardia. [PDF]

open access: yes, 2020
Lithium is a well-known medication that has been used for many years to treat mood disorders. One of its side effects is cardiotoxicity, which usually occurs at serum lithium levels \u3e 1.5 mEq/L but rarely occurs when therapeutic levels of lithium are ...
Al-Zakhari, R.   +4 more
core   +2 more sources

Hypoxic bradycardia: an enigma in coronavirus disease 2019 [PDF]

open access: yes, 2022
Coronavirus disease 2019 varies from asymptomatic to severe acute respiratory syndrome with multiple organ involvement, primarily involving the microvasculature and heart.
Devaraj, Ganga Dutt   +3 more
core   +2 more sources

Asymptomatic Sinus Bradycardia Post-Bariatric Surgery: A Case Report

open access: yesProceedings of Singapore Healthcare, 2022
Bradyarrhythmia as a result of significant weight loss post-bariatric surgery is slowly gaining recognition in few case reports and even fewer studies. However, awareness of its diagnosis and management amongst physicians remains modest. We report a case
Nada Syazana Zulkufli, Huzairi Sani
doaj   +1 more source

Just Sinus Bradycardia or Something More Serious? [PDF]

open access: yesCase Reports in Pediatrics, 2013
An asymptomatic 5-year-old girl presented with bradycardia during a routine well-child visit. Further evaluation revealed profound sinus bradycardia, exercise-induced bidirectional ventricular tachycardia, and supraventricular tachycardia. An echocardiogram showed heavy trabeculations in the left ventricular myocardium.
Kelly R. Egan   +3 more
openaire   +4 more sources

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