826 results
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
true positives / disease ... FP + TN) = true negatives ... / disease absent ... / all negatives ... #calculations #diagnosis
CT Lung Signs in Pulmonary Diseases - One Page Summary of Pulmonary Signs
 - Air Crescent
CT Lung Signs in ... Pulmonary Diseases ... - Monod sign ... #Pulmonary #Diseases ... #diagnosis #differential
Positive J-Sign - Maltracking Patella on Knee Physical Exam

The J sign correlates with poor patellar tracking
Positive J-Sign ... Exam The J sign ... #J #Sign #Knee ... PhysicalExam #Patella #clinical ... #video #msk #orthopedics
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
• Autoimmune disease ... HACEK • Culture-negative ... epidermidis • Gram-negative ... Enterococcus • Gram-negative ... #Differential #Diagnosis
Polycystic Kidney Disease - Clinical Signs and Symptoms

#ADPKD #Polycystic #Kidney #Disease #Signs #Symptoms #Diagnosis
Polycystic Kidney Disease ... - Clinical Signs ... Polycystic #Kidney #Disease ... #Signs #Symptoms ... #Diagnosis
Cutaneous and Systemic Findings in Dermatomyositis
Cutaneous Findings:
 - Heliotrope sign and edema
 - Nail-fold changes
 -
- Heliotrope sign ... or shawl sign ... Interstitial lung disease ... tract - Cardiac disease ... Dermatomyositis #Diagnosis
Sulcus Sign on Shoulder Exam

Positive sulcus sign in a shoulder with multidirectional instability.

Downward force applied at
Sulcus Sign on Shoulder ... Positive sulcus sign ... iamDrHamilton #Sulcus #Sign ... #PhysicalExam #clinical ... #video #msk #orthopedics
Normal (Negative) Babinski / Plantar Reflex

The plantar reflex is a reflex elicited when the sole of
Normal (Negative ... response or Babinski sign ... Reflex #Plantar #Negative ... #Normal #Clinical ... #Video #Signs #
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
individual studies Clinical ... , describe clinical ... 100%, then all negative ... proportion of negative ... #calculations #diagnosis
Cardiac Amyloid - Diagnosis, Signs, Symptoms and Management

Clinical Presentation
- exertional dyspnea
- peripheral edema
- exertional syncope
- peripheral
Cardiac Amyloid - Diagnosis ... , Signs, Symptoms ... Management Clinical ... - conduction disease ... Amyloidosis #Cardiac #Diagnosis