12 results
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... polyneuropathy (e.g ... Hyperreflexia #Testing ... #diagnosis #table ... #neurology
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Malignancy (e.g ... the lung) - CNS ... pathology (e.g. ... Pulmonary pathology (e.g ... #Table #Causes
Headaches Overview - Primary vs Secondary Headaches

What’s the Core Difference?
 • Primary headache = headache is
• Vascular (e.g ... (e.g., seizures ... • Chemical (e.g ... Primary #Secondary #Comparison ... #Neurology #Diagnosis
Migraine without Aura
Diagnostic Criteria (ICHD-3):
A) At least 5 attacks fulfilling criteria B-D:
B) Headache attacks lasting 4-72
without Aura Diagnostic ... attacks lasting ... physical activity (eg ... following: • Nausea ... #criteria #neurology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
CNS Manifestations ... Demyelinating Syndrome, Headache ... autoantibodies that will cause ... Lumbar Puncture, EEG ... #neurology #rheumatology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... smear, HIV/HCV testing ... , decrease vit K) ... function test, ANA (e.g ... (CVID, WAS), (neurologic
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... heparinized tube) • ECG ... only if no clear cause ... Elimination (see Table ... Bicarb<22) - avoid NS
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... Enteroviruses (e.g ... Symptoms: • Headache ... Singh @rav7ks #CNS ... #neurology #meningitis
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
Emergent Causes ... carbon monoxide (eg ... living conditions (eg ... vascular diseases (eg ... of the body - Young
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
characterized by: • Headache ... mental status • Headache ... may precede the neurologic ... thrombosis Testing ... • EEG: With persistent