Presentation is loading. Please wait.

Presentation is loading. Please wait.

Model of the circulation, showing factors that influence systemic venous drainage. Model of the circulation, showing factors that influence systemic venous.

Published by窦 宓 Modified over 6 years ago

Similar presentations

Presentation on theme: "Model of the circulation, showing factors that influence systemic venous drainage. Model of the circulation, showing factors that influence systemic venous."— Presentation transcript:

1 Model of the circulation, showing factors that influence systemic venous drainage.
Model of the circulation, showing factors that influence systemic venous drainage. The right heart (RH) and intrathoracic great veins are subjected to pleural pressure (Ppl), which varies throughout the respiratory cycle. Intra-abdominal pressure increases with inspiratory diaphragmatic descent, and normalises to atmospheric (Patmos) with expiration. Peripheral venous pressure is unaffected by respiration and so remains at atmospheric pressure throughout the respiratory cycle. Systemic venous drainage (broken arrow) depends on a driving pressure gradient between extrathoracic great veins (EGV) and the right atrium, and so during spontaneous respiration is maximised during inspiration as the pleural (and right atrial) pressure falls, and the intra-abdominal (and therefore EGV) pressure rises. Lara Shekerdemian, and Desmond Bohn Arch Dis Child 1999;80: Copyright © BMJ Publishing Group Ltd & Royal College of Paediatrics and Child Health. All rights reserved.

Download ppt "Model of the circulation, showing factors that influence systemic venous drainage. Model of the circulation, showing factors that influence systemic venous."

Similar presentations

Schematic representation of the relation between lung volume and the pulmonary vascular resistance (PVR). Schematic representation of the relation between.

Schematic representation of the relation between lung volume and the pulmonary vascular resistance (PVR). Schematic representation of the relation between.
ADHD and comorbidity in Swedish school age children

ADHD and comorbidity in Swedish school age children
Comparison of the mean basal and nadir pH during gastro-oesophageal reflux (GOR) episodes with regional intragastric pH. *Gastric pH significantly higher.

Comparison of the mean basal and nadir pH during gastro-oesophageal reflux (GOR) episodes with regional intragastric pH. *Gastric pH significantly higher.
Neonatal chest radiograph taken on the patient's arrival at the neonatal intensive care unit, at 1 hour of life and high frequency oscillation ventilation.

Neonatal chest radiograph taken on the patient's arrival at the neonatal intensive care unit, at 1 hour of life and high frequency oscillation ventilation.
Example of next generation sequencing (NGS) raw data-BRAF V600E mutation in melanoma. Example of next generation sequencing (NGS) raw data-BRAF V600E mutation.

Example of next generation sequencing (NGS) raw data-BRAF V600E mutation in melanoma. Example of next generation sequencing (NGS) raw data-BRAF V600E mutation.
 Correlation between plasma total antioxidant capacity of plasma (TAC) and protein SH groups (SH) (A), total hydroperoxide concentration (TH) and TAC (B),

 Correlation between plasma total antioxidant capacity of plasma (TAC) and protein SH groups (SH) (A), total hydroperoxide concentration (TH) and TAC (B),
Reference ranges (mean and 95% confidence intervals), of umbilical venous and arterial pH with gestation. Reference ranges (mean and 95% confidence intervals),

Reference ranges (mean and 95% confidence intervals), of umbilical venous and arterial pH with gestation. Reference ranges (mean and 95% confidence intervals),
Coronal scan of an infant at 33 weeks of gestational age.

Coronal scan of an infant at 33 weeks of gestational age.
(A) Headbox oxygen; (B) facemask; (C) oxygen administration by holding an oxygen source near the infant’s face; (D) nasal cannulae; (E) nasal catheter;

(A) Headbox oxygen; (B) facemask; (C) oxygen administration by holding an oxygen source near the infant’s face; (D) nasal cannulae; (E) nasal catheter;
ECG showing appearances of polymorphic ventricular complexes on exercise testing in a patient who is β-blocked and known to have catecholaminergic polymorphic.

ECG showing appearances of polymorphic ventricular complexes on exercise testing in a patient who is β-blocked and known to have catecholaminergic polymorphic.
CBFV, ABP, and EEG over 328 seconds in a baby with electroclinical seizures. CBFV, ABP, and EEG over 328 seconds in a baby with electroclinical seizures.

CBFV, ABP, and EEG over 328 seconds in a baby with electroclinical seizures. CBFV, ABP, and EEG over 328 seconds in a baby with electroclinical seizures.
Box plot of subarachnoid space measurements at each gestational week of age. Box plot of subarachnoid space measurements at each gestational week of age.

Box plot of subarachnoid space measurements at each gestational week of age. Box plot of subarachnoid space measurements at each gestational week of age.
 Diagram of apparatus used to assess accuracy of measurements made with flow sensor 1 (FS1) using flow sensor 2 (FS2).  Diagram of apparatus used to assess.

 Diagram of apparatus used to assess accuracy of measurements made with flow sensor 1 (FS1) using flow sensor 2 (FS2).  Diagram of apparatus used to assess.
 Central venous line tip in the small vein near the superior vena cava—this may be in the vasa vasorum of the superior vena cava.  Central venous line.

 Central venous line tip in the small vein near the superior vena cava—this may be in the vasa vasorum of the superior vena cava.  Central venous line.
(A) The superior vena cava (SVC) entering the right atrium (RA) as seen from the subcostal view. (A) The superior vena cava (SVC) entering the right atrium.

(A) The superior vena cava (SVC) entering the right atrium (RA) as seen from the subcostal view. (A) The superior vena cava (SVC) entering the right atrium.
Normal ranges by corrected gestational age at scan for bFFE assessment of left ventricular output (A), end-diastolic volume (B), end-systolic volume (C)

Normal ranges by corrected gestational age at scan for bFFE assessment of left ventricular output (A), end-diastolic volume (B), end-systolic volume (C)
Box plot of head circumference measurements at each gestational week of age. Box plot of head circumference measurements at each gestational week of age.

Box plot of head circumference measurements at each gestational week of age. Box plot of head circumference measurements at each gestational week of age.
Pulse field gel electrophoresis: Lane 1 Lamda marker; lanes 2 to 5 K pneumoniae isolates from cases 3 to 6; lane 6 isolate from case 7; lane 7 ESBL negative.

Pulse field gel electrophoresis: Lane 1 Lamda marker; lanes 2 to 5 K pneumoniae isolates from cases 3 to 6; lane 6 isolate from case 7; lane 7 ESBL negative.
(A) Increasing shunt (from 0 to 40%) lowers the curve.

(A) Increasing shunt (from 0 to 40%) lowers the curve.
Example of data analysis from infant I

Example of data analysis from infant I

Similar presentations

Ads by Google