15 results
Oxygen-Hemoglobin Dissociation Curve

Left Shift (↓ O2 unloading to tissue), Left = Lower:
 • ↓ H+ (↑
+ (↑ pH) • ↓ PCO2 ... tissue): • ↑ H+ (Acid ... ) • ↑ PCO2 • ... pathophysiology #pulmonary
Hypoxemia vs Hypoxia
Hypoxemia - Partial pressure of arterial oxygen (PaO2) is below normal
Hypoxia - Insufficient oxygen
arterial oxygen (PaO2 ... compensate for low PaO2 ... differential #diagnosis #comparison ... #pulmonary
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... 35-45 mmHg • PaO2 ... Metabolic: pH pCO2 ... Classically” noted with pulmonary ... ABG #bloodgas #Acid
HFNC compared to NIV
HFNC:
- Comfort - Higher comfort  Eating, drinking and speaking less impaired 
-
Mostly reduced - CO2 ... Nasopharyngeal CO2 ... application - Pulmonary ... pressure - Extra pulmonary ... NIPPV #bipap #comparison
Barcode Sign in Pneumothorax on POCUS - M-Mode

seashore sign: normal lung sliding

barcode/stratosphere sign: pneumothorax 

#Pneumothorax #Barcode
Pneumothorax on POCUS ... Barcode #Sign #POCUS ... #Diagnosis #Comparison ... stratosphere #Clinical #Pulmonary
Differentiating Features Between Central and Peripheral Cyanosis

Mechanism - Arterial destauration
Sites - Skin, mucous membrane of oral
Oxygen therapy - Pulmonary ... Arterial blood gas - pO2 ... Arterial blood gas - pO2 ... Central #Peripheral #Comparison
Comparison of Pathologic Breathing Patterns
Biot's respiration aka ataxic respiration:
 - Periodic breathing: hyperpnea (or normopnea) and
Comparison of Pathologic ... L = Lactic acid ... #Respiratory #pulmonary ... #diagnosis #comparison
Pneumonia on Chest Xray and POCUS

Extensive pneumonia in lower left lobe (red arrow). 
POCUS: Dynamic air
Chest Xray and POCUS ... POCUS: Dynamic air ... AirBronchogram #POCUS ... #CXR #Comparison ... Clinical #Lung #Pulmonary
Emergency physician interpretation of point-of-care ultrasound for identifying and grading of hydronephrosis in renal colic compared
radiologists - Acad ... VisualAbstract #POCUS ... Hydronephrosis #Comparison
Hydropneumothorax on Lung POCUS

HIV/AID(CD4<250) with cough, dyspnea.Left lung anterior mid. Left lung. Findings consistent with PNA.
Hydropneumothorax on Lung POCUS ... HIV/AID(CD4< ... effusion #bubbles #POCUS ... clinical #ultrasound #pulmonary