314 results
Oxygen Saturation - Measurement Techniques and Limitations
 • Sp02 - Cutaneous pulse oximeter
 • SaO2 Calculated
Limitations • Sp02 ... pulse oximeter • SaO2 ... ABG device • SaO2 ... #Measurement #pulmonary
Heart Failure with Preserved Ejection Fraction: Management Principles

General Therapeutic Principles:
Reduce the congestive state 
 - Caution
preload excessively Control ... blood pressure - Central ... blood pressure control ... hypertension, pulmonary ... dCHF #Diastolic #Treatment
Right Heart Catheterization Cheat Sheet: Interpretation of Pressures and Waveforms 
Direct measurements
 ● Central venous pressure
measurements ● Central ... pressures (RA, RV) ● Pulmonary ... pressure (PAp) ● Pulmonary ... – CVP]/CO) ● Pulmonary ... x 13.4 x Hb x SaO2
Severe Asthma Exacerbation
Signs of a Severe Asthma Exacerbation:
 • Vitals: ↑HR ↑RR ↓SpO2
 • High work
Vitals: ↑HR ↑RR ↓SpO2 ... of baseline Treatments ... Asthma: • Volume control ... #CriticalCare #pulmonary ... mechanical #management #treatment
Differentiating Features Between Central and Peripheral Cyanosis

Mechanism - Arterial destauration
Sites - Skin, mucous membrane of oral
Features Between Central ... Oxygen therapy - Pulmonary ... Arterial blood gas - pO2 ... Arterial blood gas - pO2 ... #Cyanosis #Central
Central retinal artery occlusion (CRAO). Positive "spot sign" on Ocular Ultrasound

78 yo M with sudden onset
Central retinal ... Positive "spot sign ... MaimoUltrasound #CRAO #Central
Medications for High-Altitude Sickness 
Acetazolarnide 
 • Carbonic Anydrase Inhibitor Bicarb diuresis & metabolic Acidosis ->
Anti-emetic O2 (SaO2 ... • Decreases pulmonary ... Medications #Management #Treatment
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
measured on ABG) SaO2 ... output) - Low SvO2 ... Low CaO2 → Low SvO2 ... High PaO2, High SvO2 ... Hypoxemia #summary #pulmonary
Central Retinal Artery Occlusion (CRAO)
Clinical:
 • Sudden, painless, complete loss of vision 
 • Pale retina
Central Retinal ... • Cherry red spot ... isosorbide) #Central
92F w acute painless monocular vision loss. What's the diagnosis?

...

Central retinal artery occlusion (CRAO)! Retrobulbar "spot
Central retinal ... Retrobulbar "spot ... CRAO #SpotSign #Central