21 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... with a central cause ... #PhysicalExam #Neurology ... #Posterior #CVA ... #HeadImpulse #Testing
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Differentials? ... Compensation, Acute vs ... Step 5 - Differential ... sedation, narcotics, CVA ... Diagnosis #Summary #Nephrology
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
Hearing Loss - Differential ... include a: • Neurologic ... such as the whispered ... cause unknown) ... trauma ○ MS, CVA
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
but lower sensitivity ... more time for the laboratory ... • Hepatitis B serology ... testing • Serum ... Rheumatoid #Arthritis #laboratory
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
- Differential ... - assess other laboratory ... or diagnostic tests ... ischemia (90% sensitivity ... #Elevation #Differential
Diagnostic algorithm for differentiating vestibular neuritis from stroke in patients with AVS. This sequence of testing
components: targeted neurologic ... hearing yielded 100% sensitivity ... disposition, even if the cause ... , Head Impulse Test ... #Posterior #CVA
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
Galactomannan Testing ... the use of this test ... in BAL does not differentiate ... Galactomannan #Fungal #Testing ... FalsePositives #Laboratory
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
in HIV / AIDS - Differential ... Demyelinating disease caused ... of serum CrAg testing ... comparable to CSF testing ... CNS #Infections #differential
Primary and Secondary Headaches - Red Flags and Differential Diagnosis
Red Flags (SNOOP):
S - Systemic		
N - Neurologic
Red Flags and Differential ... Systemic N - Neurologic ... Patient Prefers to Rest ... Neurological Sx, Sensitivity ... #causes #primary
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
complications such as ... from other causes ... - Metabolic acidosis ... diagnosis #Algorithm #differential ... #potassium #nephrology