174 results
Coronary Ostium Obstruction by Aortic Intimal Flap on Echocardiogram
Aortic intimal flap may alternately obstruct right and
Coronary Ostium ... left coronary ostium ... #Coronary #Ostium
Syphilis - Diagnosis and Management - Primary vs Secondary vs Tertiary
Primary Syphilis
 • Localized lymphadenopathy
 •
insufficiency • Coronary ostium
The guide catheter was deliberately not engaged with the left main artery, as an occlusion was
sitting at the ostium
Secundum atrial septal defect (ASD) CardiacCT. In nl development, the ostium secundum allows placental blood to
development, the ostium
RIMA dissection during cardiac catheterization

RIMA explosion - never inject if the waveform is clearly dampened. Surprisingly
the LIMA/RIMA ostia
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
examination, check urine sodium ... acid: - Urine sodium ... hyponatremia - Urine sodium
ECG Changes in Hyperkalemia and Treatment
Membrane Stabilization
 - Calcium gluconate or chloride 
Redistribution
 - Insulin
Albuterol - Sodium ... Furosemide - Sodium
Fractional Excretion of Sodium - FENa
Fractional Excretion of Sodium (FENa) = (Urine Na+ x Serum Cr)
Fractional Excretion of Sodium ... Fractional Excretion of Sodium ... Fractional #Excretion #Sodium
Lactated Ringers (LR) vs Normal Saline (NS) - Comparison

Composition of LR:
 • Sodium 130 mEq/L
 •
Composition of LR: • Sodium ... 109 mEq/L • Sodium ... K - 4 mEq • Sodium ... : 28 mole/L of sodium ... urine volume and sodium
Pathophysiology of The Nephron - Electrolyte and Water Exchange

The nephron — electrolyte and water exchange. 
180
26000 mmol of sodium ... 60—180 mmol of sodium