artery, pulmonary stenosis, obstructions, vena cava, inferior vena cava, blood clot, rupture, ureters, axillary artery, basilar artery, varicosities, clot, stenosis, superior vena cava, emboli, arterioles, coronary artery, constriction, bypass, iliac artery, coarctation, lymphatics, fibroid tumor, arteriovenous, cardiac tamponade, bottleneck, atrioventricular node, diverticulum, gallbladder, aneurysm, esophagus, iliac vein, septal defect, thrombophlebitis, nasolacrimal duct, dislodgement, descending aorta, spinal canal, pericardial sac, backflow, haemorrhages, subclavian vein, occlusion, spermatic cord, atheroma, bile duct, aorta, nonmalignant tumor, atresia, adhesions, hiatus hernia, gallstone, arterial, arteriogram, patent ductus arteriosus, cardiomegaly, recanalization, thoracic outlet syndrome, abnormality, thoracic aorta, electrical conduction, arteriosclerosis, popliteal artery, congenital anomaly, deviated nasal septum, splenic artery, thoracic duct, blockade, duodenum, thrombi, malposition, complication, angiogram, jejunum, malformation, silting, gall bladder, saphenous vein, subclavian artery, inflamation, circumflex artery, peritoneal cavity, cholecystitis, intestine, parathyroid gland, common bile duct, adenoids, spillage, furring, impaction, distention, tracheobronchial, intestinal obstruction, femoral vein, subarachnoid, abdominal aorta, transection, meningeal, pannus, arteriotomy, cardia, mitral stenosis, obstruction, blockages, breakdown, disruption, damage, plugging, disorganization, malfunction, derangement, destabilization, impairment, loss, stasis, disability, incapacitation, ischaemia, obliteration, occlusions

breechblock, breech closer, implosion, plug, stopper, stopple, vapor lock, vapour lock

block, chokepoint, chronic glaucoma, filariasis, ileus, intestinal obstruction, occlusion, open-angle glaucoma, plug, pulmonary embolism, queckenstedt's test, stopper, stopple, tamponade, tamponage, tia, transient ischemic attack

impediment, impedimenta, obstruction

block, closure, occlusion, stop, stoppage