6263 results
Characteristics of Selected Pneumonias

Streptococcus pneumoniae (pneumococcus). Gram-positive diplococci. 
Haemophilus influenzae. Pleomorphic gram-negative coccobacilli. 
Staphylococcus aureus. Plump
Plump gram-negative ... Gram-negative rods ... Gram-negative rods ... Pneumonia #Patterns #Diagnosis ... #Comparison #Table
Typical (Counterclockwise) and Reverse Typical (Clockwise) Atrial Flutter on EKG
Typical (Counterclockwise) Atrial Flutter
 • Inferior leads:
up, slow down; "negative ... • V1: Broad & negative ... cardiology #clinical #diagnosis ... #comparison
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
● Positive or negative ... R) or entirely negative ... Positive or negative ... Aberration #Aberrancy #Comparison ... #Diagnosis #Cardiology
Syphilis - Diagnosis and Management - Primary vs Secondary vs Tertiary
Primary Syphilis
 • Localized lymphadenopathy
 •
Syphilis - Diagnosis ... 30-40%) - Negative ... Secondary #Tertiary #Comparison ... #Diagnosis #Management
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
specific to NBTE, and diagnosis ... is required for diagnosis ... serology: Serial negative ... Frequent false-negative ... #Endocarditis #comparison
Pemphigus Vulgaris vs Bullous Pemphigoid - Comparison Table
Pemphigus Vulgaris
 • Epidemiology: Average age 40-60
 • Time
Bullous Pemphigoid - Comparison ... Nikolsky sign: Negative ... Bullous #Pemphigoid #Comparison ... #diagnosis
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
entirely positive or negative ... positive in aVR and negative ... VT #VTach #SVT #Comparison ... ekg #cardiology #diagnosis
Brugada syndrome Types 1, 2 and 3

There are three types of ECG presentations, referred to as
most typical (and diagnostic ... The T-wave is negative ... #Diagnosis #ECG ... Brugada #Syndrome #Comparison
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
impulse test: Negative ... Labyrinthitis #diagnosis ... #neurology #comparison
Important Fungal Stains
Mycology Lab:
 • Calcofluor white - Fluorochrome that binds glucans and chitin in fungal
• India ink - "Negative ... microscopy #staining #diagnosis ... fungi #fungus #comparison