31 results
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... with vascular causes ... positional episodes caused ... Vertigo #Algorithm #differential ... #diagnosis #neurology
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
Froment’s Test for ... grip weakness caused ... Palsy #clinical #video ... #neurology #physicalexam ... #orthopedics #sports
Romberg's Test for Proprioception
History: First described in the 19th century in patients with tabes dorsalis (later
syphilis) Meaning: Positive ... sign) → Proprioceptive ... Observe when patient closes ... open and closed Positive ... #neurology #diagnosis
Kussmaul's Sign - Differential Diagnosis

Typically the JVP decreases with inspiration as the negative intrathoracic pressure "sucks
- Differential Diagnosis ... where we may see a positive ... #physicalexam #diagnosis ... #cardiology #differential ... #causes
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
It is a clear sign ... very sensitive diagnostic ... regarding the cause ... Pupillary #Defect #Neurology ... #Clinical #Video
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 ... 50 or less: • Neurologic ... Retinitis (Most common cause ... #differential #
Kussmaul's Sign and Friedreich's Sign on Neck Examination

A middle-aged M with unknown PMH presents with dyspnea.
demonstrated in the video ... Most likely diagnosis ... small blue-colored spot ... the underlying cause ... #Cardiology
RPR - False Positives
Causes of a false positive RPR that are not syphilis. (False-negative treponemal tests
Causes of a false ... False-negative treponemal tests ... reports have described ... #differential # ... diagnosis #syphilis
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Arboviruses: - West ... Acute meningeal signs ... • Gram stain: Positive ... 90% • Culture: Positive ... #diagnosis #neurology
Rhombencephalitis
BACTERIAL
- Listeria (biphasic illness with bulbar dysfunction occurring later)
- Mycobacterium tuberculosis
- Pneumococcus
- Brucella
- Borrelia (Lyme Disease)
-
encephalitis, West ... Miller-Fisher GBS; Positive ... Rhombencephalitis #Differential ... #Diagnosis #Causes ... #Neurology