32 results
Acid-Base Disorders - Differential Diagnosis Algorithm
Acidemia (pH < 7.35)
 • Metabolic Acidosis (HCO3 < 24mmol/L) CO2
HCO3 < 24mmol/L) CO2 ... Respiratory Acidosis (pCO2 ... Respiratory Alkalosis (pCO2 ... < 35 mmHg) #AcidBase ... Diagnosis #Algorithm #Causes
Acid Base and Blood Gas Analysis
1. pH - What’s the primary disturbance?
2. pCO2 - What’s the
2. pCO2 - What’s ... the pCO2? ... Medications, Central, ↑ CO2 ... metabolic acidosis Nick ... MD @nickmmark #acidbase
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
type of hypoxia) PIO2 ... O2 is inspired) PAO2 ... Low SvO2 → Low PaO2 ... Nick Mark MD @nickmmark ... differential #diagnosis #causes
Pemberton's Sign caused by a Retrosternal Thyroid Goiter

Elevating the arms causes the previously flat neck veins
Pemberton's Sign caused ... Elevating the arms causes ... previously flat neck ... Thyroid #Goiter #PhysicalExam ... video #vascular #neck
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
7.35-7.45 • PaCO2 ... 35-45 mmHg • PaO2 ... Metabolic: pH pCO2 ... Acetazolamide Causes ... MDaniyalHashmi1 #AcidBase
Brudzinski's Sign in Meningitis

Severe neck stiffness causes the patient's knees and hips to flex when the
Meningitis Severe neck ... stiffness causes ... flex when the neck ... clinical #video #physicalexam
Brudzinski's Sign in Meningitis

Severe neck stiffness causes the patient's knees and hips to flex when the
Meningitis Severe neck ... stiffness causes ... flex when the neck ... clinical #video #physicalexam
Thyroid Goiter on Physical Exam

Mother and daughter both presenting with thyroid goiters caused by iodine deficiency.
thyroid goiters caused ... Thyroid #Goiter #PhysicalExam ... clinical #video #neck
Kussmaul's Sign on Physical Exam

What’s the diagnosis?
Severe biventeicular failure with + Kussmaul sign! NICM. No constriction!

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and other rarer causes ... Kussmauls #Sign #physicalexam ... jvp #cardiology #neck
Asterixis is a type of negative myoclonus characterized by irregular lapses of posture of various body
characterized by irregular lapses ... encephalopathy) and CO2 ... hyperammonemia #PhysicalExam