1949 results
Cushing Syndrome - Likelihood Ratios of Physical Exam Findings
Moon facies LR +1.6
Central obesity LR +3.0
Generalized obesity
Central obesity LR ... Thin skinfold LR ... 115.6 Plethora LR ... +NS Ecchymoses LR ... #Ratios #LRs #PhysicalExam
COPD Physical Exam Likelihood Ratios
Barrel Chest - LR 1.5
Pursed Lip Breathing - LR 2.7
Reduced breath sounds
Barrel Chest - LR ... Lip Breathing - LR ... breath sounds - LR ... cardiac impulse - LR ... SatyaPatelMD #COPD #PhysicalExam
Physical Exam findings in Lower Extremity DVT - Likelihood Ratios
 - Asymmetric calf swelling, ≥2 cm
cm difference - LR ... venous dilation - LR ... of entire leg - LR ... skin warmth - LR ... Likelihood #Ratios #PhysicalExam
Thyroid Goiter on Physical Exam - Likelihood Ratios by Finding
 • No goiter by palpation or
or inspection - LR ... normal position - LR ... Thyroid #Goiter #PhysicalExam ... #diagnosis #LR
Physical Exam Findings Predicting Thyroid Carcinoma - Likelihood Ratios
If goiter is present:
 • Cervical adenopathy -
Cervical adenopathy - LR ... surrounding tissues - LR ... cord paralysis - LR ... cord paralysis - LR ... Thyroid #Carcinoma #PhysicalExam
Choose Your Fluid: Crystalloid Comparison Chart:
Plasma vs Plasma-Lyte, Saline (.45%, 0.9%, 2%, 3%), D5W, Ringer's Lactate,
Plasma vs Plasma-Lyte ... comparison #table #LR
Acute Heart Failure Exacerbation - Diagnostic Likelihood Ratios
+LR > 3.5:
 • Overall judgement of ED physician
Likelihood Ratios +LR ... S3 • AFib -LR ... #heartfailure #physicalexam
Considerations for Crystalloids - 0.9% NS vs LR vs Plasma-Lyte
 - Causes hyperkalemia?
 - Safe to
Crystalloids - 0.9% NS vs LR ... vs Plasma-Lyte ... indications #comparison #LR
Urine Electrolyte Interpretation - AKI, Hyponatremia, Hypokalemia and Non-Gap Metabolic Acidosis

#Urine #Electrolytes #Interpretation #ULytes #AKI #FENa
Interpretation #ULytes
Likelihood Ratios - Probability
Remember 2/5/10 and 15/30/45:
 • LR of 2 increases the probability by 15%
and 15/30/45: • LR ... probability by 15% • LR ... probability by 30% • LR ... 5, and 1/10 • LR ... probability by 15% • LR