18 results
To improve the usefulness of the serum creatinine concentration as a marker of kidney function, prediction
predict GFR, these formulas ... commonly used formulas ... are shown in Table ... Neither formula ... #Formulas #Creatinine
Typical Clinical Features of Major Causes of Acute Chest Discomfort

#ChestPain #Features #Signs #Symptoms #Comparison #Table #Characteristics
Typical Clinical Features ... of Major Causes ... #ChestPain #Features ... Signs #Symptoms #Comparison ... #Table #Characteristics
Hyperparathyroidism classification
Different causes and features of hyperparathyroidism - raised parathormone (PTH).

#Diagnosis #Hyperparathyroidism #Differential #Primary #Secondary #Tertiary
classification Different causes ... and features of ... Secondary #Tertiary #Comparison ... #Table #Classification
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
that any given case ... implies being able ... NegativePredictiveValue #Calculation ... #Table #PPV #NPV ... #Formulas #Statistics
Table 1. Equations for estimated glomerular filtration rate (eGFR) in adults based on serum creatinine concentration*.
#Diagnosis
Table 1. ... EGFR #Equations #Calculation ... #Formulas #Creatinine
Renal tubular acidosis (RTA): refers to a group of conditions all of which cause the same
conditions all of which cause ... different types/causes ... RenalTubularAcidosis #Features ... #Table #Comparison
Typical features of meningitis vs. Encephalitis 

Meningitis is inflammation of the subarachnoid space, the fluid bathing
Typical features ... Most common causes ... Most common causes ... #Encephalitis #Comparison ... #Features #Table
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
symptoms or echo features ... Features of Non-Bacterial ... in up to 30% of cases ... #Endocarditis #comparison ... Marantic #diagnosis #table
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Proves cause-effect ... (“accuracy”) – measures ... but not on the causal ... Biostatistics #formulas ... #calculations #
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
Features That Differentiate ... life-threatening causes ... #Presentation #comparison ... #Table #Diagnosis