Possible Causes for decreased vital capacity Chronic Obstructive Pulmonary Disease Other test abnormalities may include Increased total lung capacity Increased functional residual capacity Increased residual volume Decreased vital capacity Decreased single-breath [merckmanuals.com] Congestive Heart Failure […] in vital capacity by one third from maximum recorded · Tachycardia (heart rate 120 beats/min.) [medicalcriteria.com] Minor criteria include extremity edema, night cough, dyspnea on exertion, hepatomegaly, pleural effusion, decrease in vital capacity by one third from normal, and tachycardia [clinicaladvisor.com] […] loss 4.5 kg in 5 days in response to treatment Minor criteria: · Bilateral ankle edema · Nocturnal cough · Dyspnea on ordinary exertion · Hepatomegaly · Pleural effusion · Decrease [medicalcriteria.com] Pulmonary Edema A typical pattern of respiratory mechanics for a patient with residual pulmonary edema includes decreases in vital capacity and total lung capacity. [tele.med.ru] Acute Respiratory Distress Syndrome History Acute respiratory distress syndrome (ARDS) is characterized by the development of acute dyspnea and hypoxemia within hours to days of an inciting event, such as trauma, sepsis, drug overdose, massive transfusion, acute pancreatitis, or aspiration. In many cases, the inciting event is obvious, but, in others[…] [emedicine.medscape.com] Idiopathic Pulmonary Fibrosis […] forced vital capacity, a decrease in forced vital capacity remained an independent risk factor for mortality (decrease 10%; hazard ratio 2.47; 95% confidence interval 1.29 [ncbi.nlm.nih.gov] […] forced vital capacity, a decrease in forced vital capacity remained an independent risk factor for mortality (decrease 10%; hazard ratio 2.47; 95 % confidence interval 1.29 [citeseerx.ist.psu.edu] In a multivariate Cox proportional hazards model controlling for histopathologic diagnosis, gender, smoking history, baseline forced vital capacity, and 6-month change in [ncbi.nlm.nih.gov] Pneumothorax The main physiologic consequences of a pneumothorax are a decrease in vital capacity and a decrease in partial pressure of oxygen (PaO 2 ). [emedicine.medscape.com] Due to this there is a decrease in vital capacity as well as a decrease in PaO2 which is the main consequence of a pneumothorax. [physio-pedia.com] Pulmonary Fibrosis […] in vital capacity of 10%). [rtmagazine.com] Vital capacity, functional residual capacity, total lung capacity, and forced vital capacity (FVC) all are reduced. [physio-pedia.com] Measures of expiratory airflow are preserved and airway resistance is normal and the forced expiratory volume in 1 second (FEV 1 )/forced vital capacity (FVC) ratio is increased [emedicine.medscape.com] Kyphoscoliosis Sue displayed a restrictive lung pattern, evidenced by a decreased vital capacity and tidal volume with severe nocturnal dyspnoea, resulting in raised carbon dioxide levels [ncbi.nlm.nih.gov] Patients with scoliosis suffer from restrictive lung disease which decreases vital capacity, functional residual capacity, tidal volume, and increased respiratory rate. [4 [joacp.org] An angle more than 60 results in a restrictive type of pulmonary impairment with a decrease in forced expiratory volume in 1 s, forced vital capacity, and chest wall compliance [mjdrdypu.org] Respiratory Muscle Paralysis A decrease in vital capacity of 30 to 50% when the patient is supine supports the diagnosis of bilateral diaphragmatic paralysis, whereas a decrease in vital capacity of 10 [blogs.nejm.org] […] in TLC, vital capacity (VC), and FRC but without changes in residual volume (RV). 5,6 The severity of compression is directly related to the degree of kyphoscoliotic angulation [archbronconeumol.org] Lung function test in neuromuscular patient shows a restrictive pattern: total lung capacity (TLC) and vital capacity (VC) reduced while functional residual capacity (FRC) [shortnessofbreath.it] Restrictive Lung Disease (7) 1.Decreased vital capacity 2.Expiratory flow rates remain normal 3.FEV1/FVC is preserved 4.Increased work of breathing (dyspnea) 5.Rapid, shallow breathing pattern (Leads [cram.com] Pulmonary function test demonstrates a decrease in the forced vital capacity. The main symptoms are shortness of breath and cough. [en.wikipedia.org] A 7% decrease in vital capacity from a sitting to a supine position may indicate that diaphragmatic weakness is out of proportion to chest wall muscle weakness. [pediatrics.aappublications.org] Ankylosing Spondylitis Pulmonary function tests show decreased vital capacity and total lung capacity, although residual and functional residual lung volumes were increased. [mhmedical.com] Airflow measurements and ventilatory function remain normal in patients with restricted chest wall motion, but vital capacity is decreased and functional residual capacity [doi.org] Pleural Effusion The Rational Clinical Examination Clinician's Corner January 21, 2009 JAMA. 2009;301(3):309-317. doi:10.1001/jama.2008.937 Context Pleural effusion is a common finding among patients presenting with respiratory symptoms. The value of the bedside examination to detect pleural effusion is unclear. Objective To[…] [doi.org] Neonatal Respiratory Distress Syndrome Both prophylactic and early surfactant replacement therapy, compared with later selective surfactant administration, reduce mortality and pulmonary complications in ventilated infants with respiratory distress syndrome (RDS). However, continued post-surfactant intubation and ventilation are risk factors for chronic[…] [ncbi.nlm.nih.gov] Guillain-Barré Syndrome capacity less than 60 percent predicted. 22 One retrospective study 21 demonstrated a 40 percent decrease from predicted vital capacity, compared with a 60 percent decrease [aafp.org] Early intubation should be considered in any patient with a vital capacity (VC) 20 ml/kg, a Negative Inspiratory Force (NIF) –25 cm H2O, more than a 30% decrease in either [zdoc.site] […] ventilation in patients who had a previously determined vital capacity included time from GBS onset to admission of less than seven days, an inability to lift the head, and a vital [aafp.org] Axial Spondyloarthritis June 04, 2020 01:15 ET Source: Phase III PREVENT data show Cosentyx 150 mg provided significant and sustained improvement in signs and symptoms of non-radiographic axial spondyloarthritis (nr-axSpA) up to Week 521 nr-axSpA is the fourth EU indication for Cosentyx, providing patients in Europe with a first-in-class[…] [globenewswire.com] Progressive Bulbar Paralysis 2015 ICD-9-CM Diagnosis Code 335.22 Progressive bulbar palsy 2015 Billable Thru Sept 30/2015 Non-Billable On/After Oct 1/2015 ICD-9-CM 335.22 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 335.22 should only be used for claims with a date of service on or before[…] [icd9data.com] Artificial Pneumothorax The main physiologic consequence of this process is a decrease in vital capacity and partial pressure of oxygen. [emedicine.medscape.com] Pneumocystosis Jirovecii Pneumonia Pulmonary function tests May show a modest reduction in the vital capacity (VC) and the total lung capacity (TLC). [patient.info] The most consistent abnormality is a decrease in the single-breath diffusing capacity for carbon monoxide (DLCO), which has a sensitivity of 89%. [patient.info] Myasthenic Crisis […] forced vital capacity (FVC), atelectasis, and need for noninvasive ventilatory support are predictors of reintubation. 21 Two retrospective studies found atelectasis in all [ncbi.nlm.nih.gov] […] pneumonia are also associated with extubation failure. 7 Tracheostomy placement ranges from 14%-40%. 6, 7 Reintubation occurs more than one-fourth of the time. 7, 21 Acidosis, decreased [ncbi.nlm.nih.gov] Myasthenia Gravis Pulmonary function testing usually reveals a decreased vital capacity (VC) and decreases in inspiratory and expiratory muscle strength, which improve after administration [pulmonologyadvisor.com] […] forced vital capacity. [first10em.com] Monitoring arterial pO 2 or oxygen saturation is not enough, as vital capacity can decrease markedly before these parameters change. [patient.info] Asbestosis […] pulmonary compliance ) Early: decreased DL CO Later: reduced vital capacity and total lung capacity Normal to increased ratio of FEV 1 to FVC Bronchoalveolar lavage Biopsy [amboss.com] The CO diffusing capacity is decreased and may be the earliest abnormality seen. [symptoma.com] Supradiaphragmatic and pleural reticulonodular opacities / plaques Rounded atelectasis In some cases, pleural effusion HR- CT : Pulmonary function test : Restrictive ventilatory defects (decreased [amboss.com] Flail Chest Historically, the free-floating flail segment was deemed responsible for an the increased work of breathing with subsequent hypoxemia and decreased vital capacity; this belief [jtojournal.com] Schiller and colleagues published a study in the European Journal of Trauma and Emergency Surgery showing that the procedure significantly improved forced vital capacity in [mayoclinic.org] "Initially, we focused only on flail chest, but now we offer surgery to people with simple, non-flail rib fractures if their vital capacity is less than 1500 on serial exams [mayoclinic.org] Pneumoconiosis The frequency of abnormal vital capacity increased, and the mean vital capacity decreased by 18% over the subsequent 10 years ( 33, 75 ). [atsjournals.org] Silicosis Silicosis, a disease of historical importance, continues to occur cryptically today. Its pathogenesis is under ongoing study as new concepts of pathobiology evolve. In this article, the gross and microscopic features of the disease in the lungs and the lesions in lymph nodes and other viscera are described. These[…] [ncbi.nlm.nih.gov] Bulbar Poliomyelitis Abstract Tracheotomy was performed on 181 of 351 patients with bulbar poliomyelitis. The essential indication for tracheotomy was secretional obstruction of the respiratory tract that could not be relieved by postural drainage and aspiration. Comparison of mortality rates in this series with those of previous series[…] [ncbi.nlm.nih.gov] Bronchitis Other test abnormalities may include Increased total lung capacity Increased functional residual capacity Increased residual volume Decreased vital capacity Decreased single-breath [msdmanuals.com] Pulmonary function studies show increased residual volume and decreases in forced vital capacity and forced expiratory volume. [medical-dictionary.thefreedictionary.com] Forced vital capacity (FVC), forced expiratory volume (FEV) and peak expiratory flow rate (PEFR) shows reversible decrease (Padhi&Padhy, 2008; Schwela, 2010). [intechopen.com] Acute Bronchitis Other test abnormalities may include Increased total lung capacity Increased functional residual capacity Increased residual volume Decreased vital capacity Decreased single-breath [msdmanuals.com] Sexually Transmitted Disease However, neonatal PMNs are deficient in chemotaxis and killing capacity. [emedicine.medscape.com] Decreased adherence to the endothelial lining of blood vessels reduces their ability to marginate and leave the intravascular space to migrate into the tissues. [emedicine.medscape.com] […] morbidity, and mortality, particularly in preterm and/or very low birthweight (VLBW) infants. [10, 11] There may also be a genetic association. [10] Cellular immunity PMNs are vital [emedicine.medscape.com] Malnutrition With acute or chronic severe PEU, heart size and cardiac output decrease; pulse slows and blood pressure falls. Respiratory rate and vital capacity decrease. [msdmanuals.com] Acute Respiratory Infection As consolidation takes place, the respiratory function alters the vital capacity and the distensibility of the airways decreases. [bu.digication.com]
