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Patient Evaluation

Special Diagnostic Studies

QuestionAnswer
Special Diagnostic Studies Electroencephalography - the brain produces electrical activity measured as tiny fluctuations in voltage. - through the scalp - procedure is like an EKG
Special Diagnostic Studies Electroencephalography - this electrical current is amplified and recorded on tracing paper. - The EEG data is combined with other clinical assessments, to diagnose neurological disorders.
Special Diagnostic Studies Electroencephalography/Indications * brain tumors * traumatic brain injuries * retardation *loss of brain function * epilepsy/ seizures * evaluation of sleep disorders
Special Diagnostic Studies Pulmonary Angiography/Defined - is the most definitive test for diagnosing a pulmonary embolism.
Special Diagnostic Studies Pulmonary Angiography/Clinical - pressures in the various cardiac chambers can also be measured during this procedure.
Special Diagnostic Studies Pulmonary Angiography/Indications - high clinical suspicion of pulmonary embolism - intermediate/indeterminate V/Q scan
Special Diagnostic Studies Pulmonary Angiography/Procedure - the catheter is inserted in the femoral artery. - contrast medium is injected and multiple x-ray films to identify any filing detects.
Special Diagnostic Studies Ultrasonography of the Heart(Echocardiogram)/ Defined - noninvasive method for monitoring cardiac performance
Special Diagnostic Studies Ultrasonography of the Heart(Echocardiogram)/ - uses Doppler color flow. - mapping two dimensional and M Mode echocardiography - asses ventricular function - including left ventricular volume and ejection fraction
Special Diagnostic Studies Ultrasonography of the Heart(Echocardiogram)/Indication - valvular disease or dysfunction - myocardial disease - abnormalities of cardiac blood flow - abnormal heart sounds
Special Diagnostic Studies Ultrasonography of the Heart(Echocardiogram)/Infants Indications - Tetra logy of Fallot - Coarctation of the Aorta - Transportation of the great vessels - ASD, VSD,PDA
Special Diagnostic Studies Intracranial Pressure Monitoring/Defined - cerebrospinal fluid (CSF) circulates freely around the brain and spinal cord.(protect tissue)
Special Diagnostic Studies Intracranial Pressure Monitoring/Performed - to track the dynamics inside the skull. * volume pressure * wave pressure * cerebral perfusion pressure
Special Diagnostic Studies Intracranial Pressure Monitoring/Normal Value - normal value is = 5-10mm Hg
Special Diagnostic Studies Intracranial Pressure Monitoring/Clinical - recommend treatment if ICP > 20mm Hg - patent hyperventilated = Paco2= 25=30 torr.
Special Diagnostic Studies Intracranial Pressure Monitoring/Causes * intracranial tumors * abscesses * meningitis * cerebral edema *subdural hematoma
Special Diagnostic Studies Intracranial Pressure Monitoring/Measured Ventricular Catheter - ventricular catheter- inserted through a burr hole through the skull.
Special Diagnostic Studies Intracranial Pressure Monitoring/Measured Subarachnoid bolt - consist of metal screws with a sensor chip that is inserted through a hole drilled into the subdural or subarachnoid space.
Special Diagnostic Studies Intracranial Pressure Monitoring/Measured Epidural Sensor - consist of placement of a fiber optic sensor, radio transmitter or tiny balloon in the epidural space through burr hole in the skull.
Special Diagnostic Studies Intracranial Pressure Monitoring/Cerebral Perfusion Pressure - pressure gradient that determines cerebral perfusion Formula = CPP = (MAP - ICP)
Special Diagnostic Studies Intracranial Pressure Monitoring/Exhaled Nitric Oxide - measured exhaled nitric oxide concentration (FEno) in patients exhaled breath.
Special Diagnostic Studies Intracranial Pressure Monitoring/Exhaled Nitric Oxide/Indication - used to monitor the asthma patient response to anti-inflammatory (corticosteroid )treatment
Special Diagnostic Studies Intracranial Pressure Monitoring/Exhaled Nitric Oxide/Decrease - a decrease in FEno suggests decrease airway inflammation.
Special Diagnostic Studies Intracranial Pressure Monitoring/Exhaled Nitric Oxide/Procedure - measured using a handheld device that provides accurate reproducible and measurement fractional exhaled nitric oxide.
Created by: sukar