2906 results
Lactated Ringers (LR) vs Normal Saline (NS) - Comparison

Composition of LR:
 • Sodium 130 mEq/L
 •
Lactated Ringers ... 28 mEq/L • Osmolarity ... 154 mEq/L • Osmolarity ... shift • Saline Causes ... • Saline May Cause
Fluids, Electrolytes, Acid-Base
)
General Concepts
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< Osmolality vs osmolarity
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Osmolality
[H 20)
Milliosmoles per kg of water. The osmolality is the
Concepts > < Osmolality ... vs osmolarity ... ★ Osmolality [ ... The osmolality is ... Osmolarity (mOsm
Crystalloid Composition - Normal Saline, Ringer's Lactate, Hartmann's Solution, PlasmaLyte

Ca2+ Mg2+ Cl- 
Acetate 
Lactate 
Gluconate 
Bicarbonate
Saline, Ringer's Lactate ... Cl- Acetate Lactate ... Bicarbonate Osmolarity ... #LR #Ringers #Lactated
Contrast dyes are divided into three groups based on their osmolarity.  High-osmolar contrast medium (HOCM),
based on their osmolarity ... LowOsmolarity #Osmolality
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... /L High Urine Osmolality ... glucosuria Low Urine Osmolality ... Diagnosis #Algorithm #Causes
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
electrolyte abnormality caused ... Measuring the serum osmolality ... among the possible causes ... lower than 80% in cases ... in blood urea causes
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Causes of Lactate ... The most common causes ... - Many other causes ... Causes of elevated ... Causes of Lactate
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Check plasma osmolality ... NORMAL PLASMA OSMOLALITY ... DECREASED PLASMA OSMOLALITY ... INCREASED PLASMA OSMOLALITY
GOLDMARK - Mnemonic for Anion Gap Metabolic Acidosis
G - Glycols
O - Oxoproline
L - L-Lactate
D - D-Lactate
M
Oxoproline L - L-Lactate ... D - D-Lactate ... #differential #causes
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Causes of Polyuria ... Diuresis Urine Osmolality ... > Serum Osmolality ... Diagnosis #Algorithm #Causes