1877 results
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... Positive Hallpike ... No auditory symptoms ... Long symptom-free ... #differential #diagnosis
Migraine with Aura
Diagnostic Criteria (ICHD-3):
A) At least 2 attacks fulfilling criteria B and C:
B) One or
Migraine with Aura Diagnostic ... reversible aura symptoms ... is positive ... another ICHD-3 diagnosis ... Migraine #Aura #diagnosis
Positive FAST in the RUQ view demonstrating echogenic clot in Morison’s pouch with adjacent anechoic free
Positive FAST in ... (*) #Clinical #Diagnosis ... #EM #Trauma #Radiology ... HepatorenalRecess #Positive
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
TP + FN) = true positives ... disease absent Positive ... TP + FP) = true positives ... / all positives ... #calculations #diagnosis
Dengue Fever - Diagnosis and Management Summary 
Dengue Fever → Dengue Hemorrhagic Fever →Dengue Hemorrhagic Shock
Dengue Fever - Diagnosis ... Rash, Vomiting, Positive ... pain, Myalgia Diagnosis ... exposure • Symptoms ... days - NAAT • Symptoms
Eosinophilic Esophagitis (EoE) - Spectrum of Response
Non-response:
 • Histology: Persistent eosinophilia, ≥ 15 eos/hpf
 • Symptoms:
15 eos/hpf • Symptoms ... : Persistent symptoms ... decrease in a symptom ... : Decreased symptoms ... EoE #Response #diagnosis
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
• Frequency of symptoms ... Hallpike test: Positive ... in head-hanging position ... impulse test: Positive ... Labyrinthitis #diagnosis
Chest Pain Differential By Symptom Characteristics
- Dr. Andrew Perry https://twitter.com/Perrycardium

#ChestPain #Differential #Symptoms #Characteristics #Diagnosis
Differential By Symptom ... #Differential #Symptoms ... Characteristics #Diagnosis
Stages of Syphilis
Early Primary:
 • Painless chancre
 • Regional lymphadenopathy
Early Secondary:
 • Fever, malaise
 • Rash
Early Latent: • Positive ... testing • No symptoms ... Late Latent: • Positive ... Syphilis #Stages #symptoms ... #signs #diagnosis
Medications that Can Cause False Positives on Drug Tests

Urine drug screens (UDSs) are simple to use,
Can Cause False Positives ... yielding false-positive ... can cause false positives ... Amphetamine false positives ... #differential #diagnosis