1968 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
Cardiac POCUS.  #diagnosis #em #cardiology #pocus
Cardiac POCUS. ... #diagnosis #em # ... cardiology #pocus
Positive and Negative Likelihood Ratios Calculations
#Diagnosis #Likelihood #Ratios #LR #Calculations #Equations #Positive #Negative
Positive and Negative ... Calculations #Diagnosis ... Equations #Positive #Negative
An algorithm for assessment of Shortness of Breath using POCUS
#Diagnosis #Radiology #POCUS #Lung #Algorithm #ShortnessOfBreath
of Breath using POCUS ... #Diagnosis #Radiology ... #POCUS #Lung #Algorithm
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
Coronary Artery Localization on ECG and POCUS

#Coronary #Artery #Localization #ECG #EKG #Electrocardiogram #Echocardiogram #Diagnosis #Cardiology #Map
Localization on ECG and POCUS ... Echocardiogram #Diagnosis ... #Cardiology #Map ... #POCUS
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
from positive to negative ... Originates from single focus ... TorsadesDePointes #Diagnosis ... #Cardiology #ECG
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 ... Aberrancy #Comparison #Diagnosis ... #Cardiology