49 results
Crystalloid Composition - Normal Saline, Ringer's Lactate, Hartmann's Solution, PlasmaLyte

Ca2+ Mg2+ Cl- 
Acetate 
Lactate 
Gluconate 
Bicarbonate
Ringer's Lactate, Hartmann's ... #Composition #LR ... Lactated #Plasmalyte #Hartmanns
REBEL Review 70: Fluid Composition - Colloids and Crystalloids

Colloids: Dextran, Gelatin - Crystalloids: Normal Saline, Ringer's
Ringer's Lactate, Hartmann's ... comparison #table #LR ... LactatedRingers #hartmanns
Crystalloid Fluids - Contents Comparison Table
Normal plasma
0.9% saline (a.k.a. "normal saline" or NS)
0.45% saline (a.k.a. 1/2
Lactated Ringers (LR ... ) / Hartmann's solution
Gallstone in Hartmann's Pouch on Ultrasound
Need to differentiate from air in duodenum.

Dr. J. Christian Fox @jchristianfox

#Hartmanns
Gallstone in Hartmann's ... jchristianfox #Hartmanns
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 ... or blue striae LR
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 ... sternal border - LR
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 ... ankle swelling - LR
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
POUND Mnemonic for Diagnosis of Migraine Headache
P Is the headache Pulsatile in quality?
O Is the duration
≥ 4 features LR ... 3 features LR ... 3.5 ≤2 features LR ... Pound #Mnemonic #LR
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
disorientation (LR ... • Cachexia (LR ... C or < 35.1°C (LR ... min or greater (LR ... oximetry < 95% (LR