20 results
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Approach to Acid Base ... than expected based ... an ABG by adding ... and ~5 mmHg to pCO2 ... Disorders #Evaluation #workup
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... ABG And BMP Normal ... 35-45 mmHg • PaO2 ... Metabolic: pH pCO2 ... bloodgas #Acid #Base
Blood Gas (ABG) Interpretation and Acid-Base Pathology
1- Does the patient have an acidosis or an alkalosis?
Blood Gas (ABG) ... Interpretation and Acid-Base ... need to do more work ... Amy Chung, MD, MSc ... AmyChung #AcidBase #ABG
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
permit exhaled CO2 ... use of reservoir bag ... retention of exhaled gases ... Venturi Mask (venti-mask ... • Uses either
#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
Osmolar Gap ACID-BASE ... AG S 8-16 mEq ... pCO2 = 1.5 (HCO3 ... )/HCO3 Acid base ... 70 mmHg on 100% mask
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
The probable cause ... • If expired CO2 ... using reservoir bag ... POTENTIAL CAUSES ... Diagnosis #Management #Workup
Cortical Desmoid - MSK Radiology
Imaging Findings:
 • Circumscribed, small cortically based Tl -hypointense and T 2-hyperintense
Cortical Desmoid - MSK ... small cortically based ... Case description ... MR is able to distinguish ... Radiology #diagnosis #msk
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
3:1), and the base ... Therefore, conditions caused ... elimination of CO2 ... pulmonary apices caused ... Silicosis - Coal worker
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
Hyponatremia is usually caused ... Then, ask 3 questions ... to work through ... issue which varies based ... the underlying cause
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
countries (11-24 cases ... Asian countries (1 case ... symptoms are not caused ... Self-limiting, chronic but stable ... anterior/posterior MSK