109 results
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... Varies • No neurologic ... findings BPPV • Short-lived ... #differential #diagnosis ... #neurology
Vancomycin and Dalbavancin (lipoglycopeptide antibiotics) - Antibiotics Class Overview

Mechanism: Glycopeptide -  inhibits cell wall synthesis
synthesis in Gram positives ... Spectrum: gram positive ... Used for: all sorts ... or proven gram positive ... #Pharmacology #Antibiotics
Gram Stain - Bacteria Identification Algorithm
Gram Positive:
 • Rods: Oxidase+, Oxidase-, Fastidious, Anaerobic, Curved
 • Cocci:
Algorithm Gram Positive ... Rods: Branching, Spores ... #microbiology #diagnosis
Summary of Agents Potentially Contributing to False Positives on Urine Drug Screens (UDS)
Marijuana Metabolites
 • dronabinol,
Contributing to False Positives ... Rate of False Positives ... • mouthwash, short-chain ... result in false positives ... Testing #Laboratory #diagnosis
Timeline for Progression of T2WI and DWI Findings in Acute Stroke
 - In the acute phase
After this it starts ... DWI is already positive ... infarction will be positive ... infarction DWI is only positive ... Progression #Timeline #Neurology
A normal plantar reflex response involves toe flexion, or even no movement. A positive test, also
A positive test, ... A positive response ... PhysicalExam #Diagnosis ... #Neurology
Rheumatoid Arthritis - 2020 ACR-EULAR Classification
≥ 6 of 10 points = definite RA
Joint Involvement:
joint) - 5 points Serology ... points Low positive ... RF or low positive ... RF or high positive ... Rheumatoid #Arthritis #diagnosis
Endocarditis - Duke Criteria - Major and Minor

MAJOR CRITERIA: 
 - Persistently +ve blood culture for
Osler's nodes, Roth spots ... rheumatoid factor - Positive ... #Major #Minor #Diagnosis
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
HIT) result is positive ... #Diagnosis #PhysicalExam ... #Neurology #AVS
Romberg's Test for Proprioception
History: First described in the 19th century in patients with tabes dorsalis (later
syphilis) Meaning: Positive ... open and closed Positive ... Rombergs #Test #neurology ... #diagnosis #proprioception