924 results
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
FP + TN) = true negatives ... all positives Negative ... / all negatives ... Specificity) Negative ... #calculations #diagnosis
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
epidermidis - Gram-negative ... ) - Culture negative ... Enterococci - Gram-negative ... streptococci - Culture negative ... Bacteria #Pathogens #Diagnosis
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
Systemic infection Native ... HACEK • Culture-negative ... epidermidis • Gram-negative ... Enterococcus • Gram-negative ... #Differential #Diagnosis
Normal (Negative) Lachman Test for ACL Injury

Andrew Dold, MD @dr.dold.md

#Lachmans #test #ACL #Knee #Injury #Normal #Negative
Normal (Negative ... Injury #Normal #Negative ... #clinical #video
Positive and Negative Likelihood Ratios Calculations
#Diagnosis #Likelihood #Ratios #LR #Calculations #Equations #Positive #Negative
Positive and Negative ... Calculations #Diagnosis ... Equations #Positive #Negative
Characteristics of Selected Pneumonias

Streptococcus pneumoniae (pneumococcus). Gram-positive diplococci. 
Haemophilus influenzae. Pleomorphic gram-negative coccobacilli. 
Staphylococcus aureus. Plump
Pleomorphic gram-negative ... Plump gram-negative ... Gram-negative rods ... Gram-negative rods ... Pneumonia #Patterns #Diagnosis
HINTS Exam - Unidirectional Nystagmus - Left-beating

In a patient with vertigo symptoms, this finding is reassuring
Video by Dr. ... PhysicalExam #Clinical #Video ... #Negative #Neurology
Right Oculomotor (CNIII) Palsy caused by Stroke

Dr. Bruno Farnetano @bruno.farnetano

#Oculomotor #CNIII #Palsy #clinical #video #CN3 #clinical
Palsy #clinical #video ... CN3 #clinical #video ... #physicalexam #ophthalmology
Post Traumatic Iridodonesis 

Dr. João Victor Negrão - https://www.instagram.com/joaovrtn/

#Iris #Iridodonesis #Clinical #Video #Ophthalmology #Traumatic #Eye #PhysicalExam
Iridodonesis #Clinical #Video ... #Ophthalmology
Papilledema - Fundoscopy Ocular Examination

Dr. Sebastian Vega @oftalmopo

#Papilledema #Ocular #PhysicalExam #clinical #video #ophthalmology #Fundoscopy
PhysicalExam #clinical #video ... #ophthalmology