• Although a definitive cause (or set of causes) for the symptoms outlined in the Existing Long-Duration Flight Occurrences section is unknown, it is thought that venous congestion in the brain brought about by cephalad fluid shifts may be a unifying pathologic mechanism. (wikipedia.org)
  • If the cardiac output does not increase after such administration (a fluid challenge,) this may indicate that the upper limit of beneficial fluid administration has been achieved and that further fluid administration could lead to fluid overload manifest by venous congestion and possible post-operative pulmonary edema (RNAO, 2006). (cms.gov)
  • CT is the imaging procedure of choice in evaluation of acutely injured patients or patients with acute neurologic deficit. (medscape.com)
  • other clinical manifestations are primarily neurologic (due to an osmotic shift of water out of brain cells), including confusion, neuromuscular excitability, seizures, and coma. (msdmanuals.com)
  • CMS has determined that there is sufficient evidence to conclude that esophageal Doppler monitoring of cardiac output for ventilated patients in the ICU and operative patients with a need for intra-operative fluid optimization is reasonable and necessary under Section 1862(a)(1)(A) of the Social Security Act, and therefore, we are removing the past national non-coverage of cardiac output Doppler monitoring. (cms.gov)
  • CMS will amend the NCD Ultrasound Diagnostic Procedures at section 220.5 of the NCD manual by adding "Monitoring of cardiac output (Esophageal Doppler) for ventilated patients in the ICU and operative patients with a need for intra-operative fluid optimization" to Category I, and deleting "Monitoring of cardiac output (Doppler)" from Category II. (cms.gov)
  • Measurement of blood flow allows calculation of cardiac output, which enables clinicians to more accurately administer fluids (colloid or crystalloid intravenous solutions) needed to achieve adequate tissue perfusion. (cms.gov)
  • Spaceflight-associated neuro-ocular syndrome (SANS), previously known as Spaceflight-induced visual impairment, is hypothesized to be a result of increased intracranial pressure (ICP), although, experiments directly measuring ICP in parabolic flight have shown ICP to be in normal physiological ranges during acute weightless exposure. (wikipedia.org)
  • Optic disc edema, globe flattening, choroidal folds, hyperopic shifts and an increased intracranial pressure have been documented in these astronauts. (wikipedia.org)
  • Alternatively, fluid management can be based solely on the clinical assessment of hemodynamic variables such as heart rate, systolic blood pressure, central venous pressure (CVP), and urine output, with no attempt to measure blood flow. (cms.gov)
  • For patients undergoing surgery or those in the intensive care units (ICUs), CO monitoring has been used to guide intravenous fluid replacement and pharmacologic therapy to maintain adequate organ perfusion. (cms.gov)
  • Optic disc edema, globe flattening, choroidal folds, hyperopic shifts and an increased intracranial pressure have been documented in these astronauts. (wikipedia.org)
  • These ndings include optic disc swelling, globe flattening, choroidal folds, and hyperopic shifts in refraction. (neurologyindia.com)
  • Additionally, a recent study reports changes in cerebrospinal fluid (CSF) hydrodynamics and increased diffusivity around the optic nerve under simulated microgravity conditions which may contribute to ocular changes in spaceflight. (wikipedia.org)
  • The intrathecal (IT) route for drug administration is interesting despite the poorly understood and complex nature of cerebrospinal fluid kinetics and IT drug pharmacokinetics. (eg.net)
  • [16] , have reported a remarkable rapid and distant spread of IT extremely lipophilic sufentanil in cerebrospinal fluid (CSF). (eg.net)
  • Although TBI from closed head and penetrating trauma account for the majority of cerebral injuries, other processes, such as acute cerebral infarction (stroke) or subarachnoid hemorrhage (SAH) due to rupture of intracranial aneurysms, may mimic a traumatic injury on presentation and radiologic evaluation. (medscape.com)
  • [ 17 ] A large focus of burn-related research involves important pathophysiologic pathways and therapeutic targets for the treatment of acute inhalational injuries. (medscape.com)
  • Both acute and overuse injuries occur, and they require different investigative processes to diagnose and treat them properly. (teachmeorthopedics.info)
  • Clinicians should consider cigarette smoke exposure as a risk factor for ALI and ARDS.NEW & NOTEWORTHY We demonstrate that transcriptomes expressed in lung homogenates also differ between the mouse strains and after acute (3 wk) exposure of animals to cigarette smoke (CS) and/or to lipopolysaccharide. (bvsalud.org)
  • Although the exact cause is not known, it is suspected that microgravity-induced cephalad fluid shift and comparable physiological changes play a significant role in these changes. (wikipedia.org)
  • The cardiopulmonary volume receptors might have sensed the blood volume change in HDT as in microgravity simulation the blood passively shifts to cephalad. (ijpp.com)
  • Spaceflight-associated neuro-ocular syndrome (SANS), previously known as Spaceflight-induced visual impairment, is hypothesized to be a result of increased intracranial pressure (ICP), although, experiments directly measuring ICP in parabolic flight have shown ICP to be in normal physiological ranges during acute weightless exposure. (wikipedia.org)
  • Patients should be kept warm by infusing warm IV fluids, elevating room temperatures, and minimizing patient exposure. (medscape.com)
  • Regional analgesia is uniquely imperative in mastectomy surgery to reduce acute as well as chronic pain [1] . (eg.net)
  • Shock is a state of compromised tissue perfusion that causes cellular hypoxia and is defined as a syndrome initiated by acute hypoperfusion, leading to tissue hypoxia and vital organ dysfunction (see the image below). (medscape.com)
  • Coronavirus disease 2019 (COVID-19) caused by acute respiratory syndrome coronavirus 2 (SARS-Cov-2) is still threatening the human life and society throughout the world. (techscience.com)
  • The vertebral arteries arise from the subclavian arteries, and as they course cephalad in the neck, they pass through the costotransverse foramina of C6 to C2. (medscape.com)
  • Working at an academic trauma center in a low resource setting, we have had to build patient-centered pain pathways that both treat acute pain as well as ensure a reduction in opioid use. (ijrajournal.com)
  • A prospective randomized controlled trial of recombinant human growth hormone (HGH) in combination with propranolol demonstrated attenuated hypermetabolism and inflammatory and acute-phase responses after severe burn injury. (medscape.com)
  • [ 1 , 2 ] Computed tomography is the diagnostic procedure of choice for acute injury, while magnetic resonance imaging has greater value for evaluation in the subacute and long term. (medscape.com)
  • These data support a genetic basis for enhanced susceptibility to acute and chronic lung injury among humans who smoke cigarettes. (bvsalud.org)
  • Acute injury is an injury that happens where a single application of force creates the musculoskeletal damage. (teachmeorthopedics.info)
  • Acute or chronic injury is an injury that results in a disabled state that can be quiescent over time and result in a new injury episode at a later time. (teachmeorthopedics.info)
  • This new injury would represent an acute injury. (teachmeorthopedics.info)
  • Frequently this question uncovers an acute on chronic injury. (teachmeorthopedics.info)
  • The expansion in blood volume and extracellular fluid volume is required for optimal uteroplacental circulation. (medscape.com)
  • In the case of the herniated disc, the physiatrist not only takes care of the acute problem, but also treats the patient until he or she returns to optimal functioning, usually without surgery. (aiu.edu)
  • Although a definitive cause (or set of causes) for the symptoms outlined in the Existing Long-Duration Flight Occurrences section is unknown, it is thought that venous congestion in the brain brought about by cephalad fluid shifts may be a unifying pathologic mechanism. (wikipedia.org)
  • I read the recent article "Time to Adequately Heed Acute Pain in the Emergency Department - More Regional Blocks Warranted" by Dr. Zundert, et al. (ijrajournal.com)
  • 3] Johnson B, Herring A, Shah S, Krosin M, Mantuani D, Nagdev A. Door-to-block time: prioritizing acute pain management for femoral fractures in the ED. Am J Emerg Med. (ijrajournal.com)
  • the ventricular pressure volume curve may be shifted to the right because of a hormonally dilated heart, thereby increasing diastolic filling. (medscape.com)