Davis's Lab & Diagnostic Tests

Diagnostic Critical Findings

Diagnostic Critical Findings was found in Davis's Lab & Diagnostic Tests which delivers information on how the test works, how to accurately interpret results, and how to provide the best care to your patients before, during, and after a test.

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Davis's Lab and Diagnostic Tests

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Monograph TitleCritical Finding
Angiography, AbdomenAbscess; aneurysm
Angiography, CoronaryAneurysm; aortic dissection
Angiography, PulmonaryPulmonary embolism
Blood Pool ImagingMyocardial infarction
Chest X-RayForeign body; malposition of tube, line, or post-operative device (pacemaker); pneumonia; pneumoperitoneum; pneumothorax; spine fracture
Computed Tomography, AbdomenAbscess; acute gastrointestinal (GI) bleed; aortic aneurysm; appendicitis; aortic dissection; bowel perforation; bowel obstruction; mesenteric torsion; significant solid organ laceration; tumor with significant mass effect; visceral injury
Computed Tomography, AngiographyBrain or spinal cord ischemia; emboli; hemorrhage; leaking aortic aneurysm; occlusion; tumor with significant mass effect
Computed Tomography, BrainAbscess; acute hemorrhage; aneurysm; infarction; infection; tumor with significant mass effect
Computed Tomography, PelvisEctopic pregnancy; tumor with significant mass effect
Computed Tomography, SpineCord compression; fracture; tumor with significant mass effect
Computed Tomography, SpleenAbscess; hemorrhage; laceration
Computed Tomography, ThoracicAortic aneurysm; aortic dissection; pneumothorax; pulmonary embolism
DuctographyDuctal carcinoma in situ (DSIS); invasive breast cancer
EchocardiographyAneurysm; infection; obstruction; tumor with significant mass effect
Echocardiography, TransesophagealAneurysm; aortic dissection
ElectrocardiogramAdult: Acute changes in ST elevation may indicate acute myocardial infarction or pericarditis; asystole; heart block, second and third degree with bradycardia less than 60 beats per min; pulseless electrical activity; pulseless ventricular tachycardia; PVCs greater than three in a row, pauses greater than 3 sec, or identified blocks; unstable tachycardia; ventricular fibrillation
ElectrocardiogramPediatric: Asystole; bradycardia less than 60 beats per minute; pulseless electrical activity; pulseless ventricular tachycardia; supraventricular tachycardia; ventricular fibrillation
ElectroencephalographyAbscess; brain death; head injury; hemorrhage; intracranial hemorrhage
EsophagogastroduodenoscopyPresence and location of acute GI bleed
Gastrointestinal Blood Loss ScanAcute GI bleed
Kidney, Ureter, and Bladder StudyBowel obstruction; ischemic bowel; visceral injury
Laparoscopy, AbdominalAppendicitis
Laparoscopy, GynecologicEctopic pregnancy; foreign body; tumor with significant mass effect
Liver and Spleen ScanVisceral injury
Lung Perfusion ScanPulmonary embolism
Lung Ventilation ScanPulmonary embolism
Magnetic Resonance AngiographyAortic aneurysm; aortic dissection; occlusion; tumor with significant mass effect; vertebral artery dissection
Magnetic Resonance Imaging, AbdomenAcute GI bleed; aortic aneurysm; infection; tumor with significant mass effect
Magnetic Resonance Imaging, BrainAbscess; cerebral aneurysm; cerebral infarct; hydrocephalus; skull fracture or contusion; tumor with significant mass effect
Magnetic Resonance Imaging, ChestAortic aneurysm; aortic dissection; tumor with significant mass effect
Magnetic Resonance Imaging, VenographyCerebral embolus; pulmonary embolus; occlusion; tumor with significant mass effect
PlethysmographyDeep vein thrombosis
Positron Emission Tomography, BrainAneurysm; cerebrovascular accident; tumor with significant mass effect
Ultrasound, AbdomenAneurysm 5 cm or greater
Ultrasound, Biophysical Profile, ObstetricAbruptio placentae; adnexal torsion; biophysical profile score between 0 and 2 is abnormal and indicates the need for assessment and immediate delivery; ectopic pregnancy; fetal death; placenta previa
Ultrasound, Pelvis (Gynecologic, Nonobstetric)Abscess; adnexal torsion; appendicitis; ectopic pregnancy; infection; tumor with significant mass effect
Ultrasound, ScrotalTesticular torsion
Ultrasound, Venous Doppler, Extremity StudiesDeep vein thrombosis
Upper Gastrointestinal and Small Bowel SeriesForeign body; perforated bowel; tumor with significant mass effect
Venography, Lower Extremity StudiesDeep vein valvular incompetence; deep vein thrombosis; pulmonary embolism; venous obstruction

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