3599 results
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Positive Hallpike ... test (posterior ... or supine roll test ... test Méniére's ... Vertigo #Algorithm #differential
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... Renal ultrasound, Tests ... sodium loading test ... conditions (supine position ... #Hypertension #Differential
Benign Adrenal Mass - Differential Diagnosis Algorithm
Hyperplasia - Often Bilateral
 • Congenital Adrenal Hyperplasia
 • ACTH
Adrenal Mass - Differential ... Releasing Adenoma (Positive ... Dexamethasone Suppression Test ... :Renin Ratio) Positive ... AdrenalMass #Benign #Differential
Strabismus - Ocular Misalignment - Differential Diagnosis Algorithm
Phoria:
 • Latent deviation
 • Symmetrical corneal light reflex,
Misalignment - Differential ... positive cover/ ... uncover test • ... light reflex, • Positive ... #Misalignment #Differential
Malignant Adrenal Mass - Differential Diagnosis Algorithm
Suggestive of Malignancy: Inhomogenous Density, Delay in CT Contrast Washout
Adrenal Mass - Differential ... Releasing Carcinoma (Positive ... Dexamethasone Suppression Test ... Renin Ratio) Positive ... AdrenalMass #Malignant #Differential
Causes of Inaccurate Fecal Occult Blood Test Results 

False Positive gFOBT:
Ingestion of nonhuman heme (eg, meat
Fecal Occult Blood Test ... Results False Positive ... medication False Positive ... FalseNegative #Diagnosis #Differential
Medications that Can Cause False Positives on Drug Tests

Urine drug screens (UDSs) are simple to use,
Positives on Drug Tests ... yielding false-positive ... positives on drug tests ... may cause false-positive ... #drug #tests #differential
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... Test downward eye ... Test if patient ... previous gaze position ... previous gaze position
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
symptomatology Differential ... : - ANCA-positive ... , biopsy By Tess ... Renal #Syndrome #differential
Cytomegalovirus (CMV) in HIV-AIDS Patients
Cytomegalovirus (CMV): double-stranded DNA virus, herpesvirus family.
CMV infection: virus isolation or detection
pp65 antigenemia test ... inclusions or positive ... AIDS #diagnosis #differential