45 results
Blood Gas (ABG) Interpretation and Acid-Base Pathology
1- Does the patient have an acidosis or an alkalosis?
Look at the pCO2 ... Metabolic Equal (If pCO2 ... the change in pCO2 ... calculate the expected pCO2 ... Amy Chung, MD, MSc
Hoffman's sign. Even in this specific case, accompanied by a clonus outline (rhythmic contractions). The median
middle finger. 2) Ask ... the patient to relax ... Hoffmanns #Sign #Reflex ... Abnormal #clinical #video
DIY Respirator

Innovative technique to create a cheap, reusable, elastomeric respirator for use during critical N95 supply
DIY Respirator ... reusable, elastomeric respirator ... using only a face mask ... brie_slatnick Video ... #Coronavirus #Respirator
#ICUCard
RENAL
GFR
90-131
mL/min
((140-age)*Wt)/(72*Cr)
Glomerular Filtration Rate (Cockcroft)
CI Cr
90-131
mL/min
(CrU * volume)/CrS
Creatinine Clearance
FENa
0.0-1.0
%
((U/P Na)/(U/P Cr))*100
Fractional Excretion of Na+
Na req
mEq
(125-Na)*0.6*Wt
Required Sodium
FE Urea
pCO2 = 1.5 (HCO3 ... pCO2 = 0.9 (HCO3 ... )+9 Respiratory ... Respiratory Alkalosis ... 70 mmHg on 100% mask
Platypnea-Orthodeoxia Syndrome on Physical Exam
The case of a patient with a diagnosis of cirrhosis and platypnea-orthodeoxia
observe how the respiratory ... to 90% (and in paO2 ... PhysicalExam #clinical #video ... #breathing #respiratory
General schema for respiratory support in patients with COVID-19
Low flow nasal cannula
 • Typically set at
General schema for respiratory ... filter • N95 mask ... patients with PaO2 ... Care @iBookCC #respiratory
Freiberg's Test for Piriformis Syndrome

Flex the hip to 90 degrees, internally rotate the hip.
Pain in the
Piriformis Syndrome Flex ... lumbar #clinical #video ... #physicalexam #msk
Drop Arm Test - Supraspinatus Tear

The drop arm test evaluates for a supraspinatus muscle tear.
Passively adduct
to 90 degrees, flex ... PhysicalExam #clinical #video ... #sports #msk #orthopedics
Piriformis Test (FAIR Test - Flexion, Adduction, and Internal Rotation)

Flex the hip to 90 degrees, then
Internal Rotation) Flex ... lumbar #clinical #video ... #physicalexam #msk
Noninvasive Ventilation Summary
Positive pressure ventilation that is delivered through a nasal, mask, or helmet interface and
through a nasal, mask ... pressure throughout respiratory ... Delivers preset inspiratory ... and expiratory ... by washing out CO2