• Atrioventricular block can occur in patients without preexisting conduction defects. (drugs.com)
  • Glucagon increases heart rate and myocardial contractility, and improves atrioventricular conduction. (shakuhachi.net)
  • In atrial fibrillation, the atria do not contract, and the atrioventricular (AV) conduction system is bombarded with many electrical stimuli, causing inconsistent impulse transmission and an irregularly irregular ventricular rate, which is usually in the tachycardia rate range. (msdmanuals.com)
  • And if you have moderate-to-severe loss in air conduction thresholds, but also a mild-to-moderate loss in bone conduction thresholds, this is called mixed hearing loss. (medel.com)
  • Conductive hearing loss has normal bone-conduction thresholds, but air-conduction thresholds are poorer than normal by at least 10 dB. (medscape.com)
  • Pure-tone air-conduction thresholds are poorer than bone-conduction thresholds by more than 10 dB (see image below). (medscape.com)
  • Pure-tone air- and bone-conduction thresholds are within 10 dB. (medscape.com)
  • Bone anchored hearing aid (BAHA) uses a surgically implanted titanium element to transmit sound to the inner ear via bone conduction. (sunnybrook.ca)
  • BAHA sends signals to the inner ear and the auditory nerve and entirely bypasses the external and the middle ear pathways. (differencebetween.net)
  • BAHA stands for Bone anchored hearing aid and is a device that hearing possible when there is a defect in the normal air-conduction through the external and middle ear. (differencebetween.net)
  • BAHA employs bone conduction method while cochlear implants employ nerve conduction method of hearing. (differencebetween.net)
  • The bone-anchored hearing aid, or Baha, bypasses problem areas that must function properly to work with typical air-conduction hearing aids . (medicalxpress.com)
  • The Baha provides the user with another way to perceive sound--bone conduction. (earsite.com)
  • The Baha bypasses the outer and middle ear and sends vibrations directly to the cochleas. (earsite.com)
  • Today, Cochlear, the global leader in bone conduction hearing solutions, announced the commercial availability of the new Cochlear™ Baha® SoundArc - a stylish, comfortable and effective device that will allow people to hear like never before. (cochlear.com)
  • As a trial device, the discreet Baha SoundArc has an opportunity to make testing bone conduction more appealing. (cochlear.com)
  • Since 2002 the Baha Softband has been an excellent, longer-term option for children who are too young or not ready for a bone conduction implant. (cochlear.com)
  • Any infant showing elevated ABR thresholds to air-conduction stimuli should be tested using bone-conduction stimuli. (wikipedia.org)
  • As with air-conduction stimuli, thresholds for bone-conduction stimuli should be obtained using tone burst stimuli Stapells is one researcher who reported on the accuracy of using tone bursts with BC ABR to estimate cochlear hearing sensitivity. (wikipedia.org)
  • When the test tones are played through normal headphones, this is a test of your air conduction thresholds. (medel.com)
  • If the audiogram shows hearing loss in air conduction tests, but your child has normal bone conduction hearing thresholds, this means that your child has conductive hearing loss. (medel.com)
  • Sensorineural hearing loss has bone- and air-conduction thresholds within 10 dB of each other, and thresholds are higher than 25 dB HL. (medscape.com)
  • Thermal energy is transferred from the first exhaust gas contact surface to the thermoelectric module via at least one heat conduction path and at least one heat storage chamber filled with at least one heat storage material. (researchgate.net)
  • The heat storage chamber is arranged outside the heat conduction path from the first exhaust gas contact surface to the thermoelectric module. (researchgate.net)
  • Wolff-Parkinson-White syndrome or other cardiac accessory conduction pathway disorders. (nih.gov)
  • Mechanisms of arrhythmogenesis primarily include disorders of cardiac electrical impulse formation and electrical impulse conduction. (vin.com)
  • Any clinically important abnormalities in cardiac rhythm, conduction or morphology of resting ECG (eg, complete left bundle branch block, third-degree heart block) (c). (who.int)
  • TREXIMET is contraindicated in the setting of coronary artery bypass graft (CABG) surgery [see CONTRAINDICATIONS , WARNINGS AND PRECAUTIONS ]. (rxlist.com)
  • Did you develop atrial fibrillation after coronary artery bypass graft (CABG) surgery? (nih.gov)
  • Atresia, microtia, otitis media and other outer/middle ear abnormalities, as well as infants with sensorineural hearing loss, will require the use of bone-conduction ABR testing. (wikipedia.org)
  • [4] Bone conduction using a tuning fork is specifically used in the Weber and Rinne tests for hearing in order to bypass the middle ear . (wikipedia.org)
  • However, instead of sending these sound waves through the ear canal, it transforms them into sound vibrations that are ready to send through the bone, which means they bypass the outer and middle ear. (oticonmedical.com)
  • For some folks with outer or middle ear problems, bone conduction can help gather sound and bring it into the brain. (gwnews.com)
  • Verapamil HCl does not alter the normal atrial action potential or intraventricular conduction time, but depresses amplitude, velocity of depolarization and conduction in depressed atrial fibers. (drugs.com)
  • Typical ECG findings with SVT include narrow-complex tachycardia, electrical alternans, evidence of atrial activation (P', F, or f waves), and response to treatments that slow down AV conduction. (vin.com)
  • While a hearing aid tries to push sound through the damaged part of the ear, bone conduction systems bypass the damaged area and send sound directly to the inner ear. (cochlear.com)
  • Bone conduction hearing systems bypass this problem by sending sound vibrations directly to your inner ear through your skull bone. (oticonmedical.com)
  • This is a way to somewhat bypass the outer and middle ears to stimulate the cochlea. (wikipedia.org)
  • Von Bekesy is credited with the discovery that at the level of the cochlea, phase shifted bone-conduction signals cancel out air conduction signals. (wikipedia.org)
  • Bone-conduction works because all of the bones of the skull are connected, including the temporal bone, which in turn stimulates the cochlea. (wikipedia.org)
  • It bypasses the damaged parts of the inner ear (cochlea). (differencebetween.net)
  • Unilateral deafness is a condition there is a hearing defect in the conduction of sound waves to the cochlea in just one ear. (differencebetween.net)
  • Cochlear implants essentially replace a part of the ear called as cochlea with an electronic device that then acts as the cochlea and bypasses the inner ear. (differencebetween.net)
  • Launched commercially in 2020, the Osia System is the world's first active osseointegrated bone conduction (OSI), a new category of bone conduction hearing solutions that uses digital piezoelectric stimulation to bypass damaged areas of the natural hearing system to send sound vibrations directly to the inner ear (cochlea). (cochlear.com)
  • If you have a damaged cochlea, a cochlear implant can bypass this section of the ear and transmit sound directly to the brain to overcome hearing loss. (oticonmedical.com)
  • Conduction abnormalities may result in delayed conduction or block, but may also contribute to the formation of ectopy (premature or ectopic depolarizations). (vin.com)
  • Supraventricular tachycardias (SPVT) usually have narrow QRS complexes, but they may be wide because of aberrant counduction through the intraventricular conducting tissue, participation of a bypass tract in the intraventricular depolarization pattern,or in the presence of a coexiting bundle branch block. (rjmatthewsmd.com)
  • Bone-conduction auditory brainstem response or BCABR is a type of auditory evoked response that records neural response from EEG with stimulus transmitted through bone conduction. (wikipedia.org)
  • Bone-conduction auditory brainstem response (BCABR) are similar to air conduction auditory brainstem responses, with the main difference being that the signal is transmitted via bone-conduction instead of air. (wikipedia.org)
  • Techniques and results for bone-conduction auditory brainstem responses are presented in a review chapter by Stapells, as well as in a detailed assessment protocol by the British Columbia Early Hearing Program (BCEHP). (wikipedia.org)
  • Bone conduction allows sound to pass directly into the auditory tuberosity without passing through the ear canal, greatly reducing the burden on the ear. (ipsnews.net)
  • The cochlear implant sends signals to this auditory nerve directly such that it bypasses even the inner ear. (differencebetween.net)
  • G. There is a slow conduction pathway as well as a fast one. (rjmatthewsmd.com)
  • When there is a disturbance in the normal conduction through the fast pathway, the slow pathway may be activated to conduct the excitation wave to the bundle of His, as well as retrograde back to the fast one, and then back again down the slow pathway continuously to produce the PSVT (see Figure 1). (rjmatthewsmd.com)
  • This escape mechanism, with a rate of 40-60 beats per minute, produces a narrow QRS complex because the ventricle is depolarized using the normal conduction pathway. (medscape.com)
  • Verapamil HCl may shorten the antegrade effective refractory period of accessory bypass tracts. (drugs.com)
  • A 'signal short circuit' allows nerve cells containing an axon at the dendrite to bypass the activity rhythm imposed by the neuronal network. (jku.at)
  • The reason is that only then are these special cells containing a dendrite-axon conduction active, while their 'colleagues' are asleep. (jku.at)
  • Inductivv is an open-ear wireless sports headphone and audio device that uses the growing Bone Conduction Technology to provide users with superior audio quality without plugging the ears shut. (ipsnews.net)
  • Instead of going inside or covering your ears like other products, bone-conduction headphones rest on your cheekbones, leaving your ears open so you can pay attention to other sounds. (ipsnews.net)
  • The Audio Bone headphones use bone conduction technology which allow the user to wear the headphones on the outside of their ears. (reactual.com)
  • High-Tech Hearing Bypasses Ears. (howstuffworks.com)
  • Since bone conduction headphones don't use the ears, a hearing wearer can listen to music while still being able to hear the sounds of the outside world. (gwnews.com)
  • Conduction time through AV node is increased while contractility is diminished. (pharmacology2000.com)
  • By decreasing the influx of calcium, verapamil hydrochloride prolongs the effective refractory period within the AV node and slows AV conduction in a rate-related manner. (nih.gov)
  • Products include hearing systems for cochlear, bone conduction and acoustic implants. (cochlear.com)
  • Unlike an axial magnet, which is found in most bone conduction implants today and is unsuitable for a patient undergoing an MRI examination at 3.0 T, the OSI300 uses a diametric magnet that sits within a casing and rotates to align with the magnetic field of the MRI machine. (cochlear.com)
  • According to the researchers, bone conduction through the implants worked as well as or better than through the natural teeth or mastoid bone. (gwnews.com)
  • the ventricular rate may be less when AV conduction is incomplete. (rjmatthewsmd.com)
  • Over 3500 patients are studied in the EMG laboratory each year with a full variety of studies ranging from simple nerve conduction studies to complex studies of neuromuscular transmission or the central motor pathways. (lhsc.on.ca)
  • The Cardioblate CryoFlex 7-cm, 10-cm, and 10-S probes plus the CryoFlex Clamp and CryoFlex Surgical Ablation Console freeze target tissue and block the electrical conduction pathways by creating an inflammatory response and cryonecrosis. (medtronic.com)
  • Some of this energy hits the tympanic membrane and combines with inertial bone-conduction, stimulating the inner ear. (wikipedia.org)
  • In general there are three csgo remove visual punch you can obtain items in the game: buying them off the auction house, looting wallhack rust apex anticheat bypass mobs, nodes or similar or crafting them. (newnails-fl.de)
  • A traveling wave is created similar to that created by air conduction signals. (wikipedia.org)
  • This is a surgical procedure that involves making several incisions in your heart tissue to develop a scar tissue, which helps stop the abnormal conduction of electrical signals within the heart. (medicinenet.com)
  • With conductive hearing losses, the latencies for air are shifted when compared to the latencies of bone-conduction. (wikipedia.org)
  • Bone conduction systems are a proven medical option for adults and children with conductive hearing loss, mixed hearing loss, and single-sided sensorineural deafness meeting the candidacy criteria. (cochlear.com)
  • The maximum output for bone is around 50 dB nHL and should look similar to the 50 dB HL response of air conduction for people with normal hearing or with a mild SNHL. (wikipedia.org)
  • Because hearing is more sensitive to air conduction, a patient with normal hearing should still be able to hear the tuning fork. (khanacademy.org)
  • β-adrenergic receptor blockers increase AV conduction time and increase AV nodal refractoriness, thereby helping to terminate nodal reentrant arrhythmias. (pharmacology2000.com)
  • Like all bone conduction headphones, you wear the Shokz OpenMove by placing the "ear" pieces on your cheekbones instead of into your ear canals. (soundguys.com)
  • Hearing occurs when sound travels through air (called "air conduction") into the ear canals and is interpreted by the brain. (gwnews.com)
  • When vibrations come from the mastoid, inertial bone-conduction is greatest below 800 Hz. (wikipedia.org)
  • Because the acoustic impedance mismatch between air and soft tissues is smaller than that between air and bone, air-borne sounds would be transmitted to soft tissues more effectively than to bone, and therefore less attenuation is expected through soft tissue sound conduction. (noiseandhealth.org)
  • Chordekar S, Adelman C, Sohmer H, Kishon-Rabin L. Soft tissue conduction as a possible contributor to the limited attenuation provided by hearing protection devices. (noiseandhealth.org)
  • Responses to air and bone-conduction ABRs are compared (for the same intensity and stimuli). (wikipedia.org)
  • 2 With the introduction of the OSI300 Implant, it is the first and only active bone conduction system that allows patients to undergo MRI scans at both 1.5 T and 3.0 T without the need for surgery. (cochlear.com)
  • With the new system, patients with an active bone conduction system can conveniently undergo MRI at 1.5 T and at 3.0 T with no impact to their hearing - MRI should be accessible to everyone" says Dig Howitt, Chief Executive Officer & President of Cochlear. (cochlear.com)
  • Who is a candidate for a Bone conduction hearing system? (oticonmedical.com)
  • How does a bone conduction hearing system work? (oticonmedical.com)
  • Earlier studies god mode crossfire that HFS can suppress crack neuronal activity 49, 50 and block axonal conduction. (minatloutrading.co.za)
  • [3] The pitch of a tuning fork can also be heard directly through bone conduction , by pressing the tuning fork against the bone just behind the ear, or even by holding the stem of the fork in one's teeth, conveniently leaving both hands free. (wikipedia.org)
  • For infants, Wave V latencies for bone-conduction clicks are shorter than the air conduction clicks. (wikipedia.org)
  • Our cochlear implant and bone conduction hearing solutions are used by adults and children of all ages to help them overcome hearing loss at school, at work and in social situations. (oticonmedical.com)