93 results
Causes of False Elevation and Reduction in HbA1c

== False Elevation ==
Decreased RBC turnover 
• Iron, B-12,
and Reduction in HbA1c ... Elevation == Decreased ... Elevation #Reduction #HbA1c ... #HgbA1c #Laboratory ... #Increase #Decrease
Pressors and Inotropes

Norepinephrine
 • alpha1 > beta 1
 • Increase SVR > Inotropy
Vasopressin
 • V1
 •
• alpha 1 • Increase ... • Inotropy > Increase ... • Inotropy, Decrease ... • Inotropy, Decrease ... Pressors #Inotropes #criticalcare
Diastolic Dysfunction Grading - Echocardiography
Grade 0  (Normal):
 • E/A >0.8, e’ > 8 cm/s, E/e’
Impaired Relaxation & Decreased ... Compliance • Mild Decrease ... Filling • Moderate Decrease ... Relaxation Speed - POCUS ... diagnosis #cardiology #POCUS
Noninvasive Positive Pressure Ventilation (NIPPV)

Expiratory & Inspiratory Positive Airway Pressure
Both increase intrathoracic pressure, which can decrease
larger VT and decreases ... In CHF, decreases ... In COPD, decreases ... Cannot tolerate decreased ... #indications #criticalcare
Auto-PEEP 
What is Auto-PEEP?
 • Progressive air trapping & dynamic hyperinflation → ↑Palv at end expiration
Decrease airway ... (Tflow rate = decrease ... I:E ratio, decrease ... RR) • Decrease ... diagnosis #management #criticalcare
Conceptual Relationship between Volume Responsiveness and Volume Tolerance

Assessing for volume responsiveness would only tell you that
there would be an increase ... "Left Shift" (Decreased ... glycocalyx damage -decreased ... oncotic pressure -decreased ... Pathophysiology #CriticalCare
Capnography Waveforms
Sudden loss of waveform
 • ET tube disconnected, dislodged, kinked or obstructec
 • Loss of
10mmHg Sudden increase ... Hyperventilation Decreased ... #Diagnosis #CriticalCare
Point of Care Ultrasound (POCUS)

Echogenicity - Brightness
Probe Positioning
Transducer Orientation
Knobology (DAG):
 • DEPTH - Can increase or
Care Ultrasound (POCUS ... • DEPTH - Can increase ... or decrease viewing ... #Ultrasound #POCUS
Point of Care Ultrasound (POCUS) - Basics
Nomenclature:
 - Echogenicity = brightness
 - Hyperechoic = more echogenic
Care Ultrasound (POCUS ... - DEPTH- can increase ... or decrease viewing ... Brightness of image #pocus
POCUS Lung Algorithm for the Use of Ultrasound in the Evaluation of Dyspnea 

#Diagnosis #Management #CriticalCare
POCUS Lung Algorithm ... Diagnosis #Management #CriticalCare ... #POCUS #Dyspnea