Cardiac
... Extrinsic Factors Influencing SV Contractility is the increase in contractile strength (force of contraction), independent of stretch and EDV Increase in contractility comes from Increased sympathetic stimuli Hormones - epinephrine and thyroxine Ca2+ and some drugs Intra- and extracellular ion conc ...
... Extrinsic Factors Influencing SV Contractility is the increase in contractile strength (force of contraction), independent of stretch and EDV Increase in contractility comes from Increased sympathetic stimuli Hormones - epinephrine and thyroxine Ca2+ and some drugs Intra- and extracellular ion conc ...
cardiac arrest heart attack
... Cardiac arrest is triggered by an electrical malfunction in the heart that causes an irregular heartbeat (arrhythmia). With its pumping action disrupted, the heart cannot pump blood to the brain, lungs and other organs. ...
... Cardiac arrest is triggered by an electrical malfunction in the heart that causes an irregular heartbeat (arrhythmia). With its pumping action disrupted, the heart cannot pump blood to the brain, lungs and other organs. ...
determination of stroke volume of the ventricular assist device using
... In order to calculate dZ/dt and VET, it is necessary to determine characteristic points B, C and X on the derivative of the bioimpedance curve (Fig. 2) which has become a key bioimpedance signal called ICG. Research later performed by Bernstein and Sramek to improve the precision of determining the ...
... In order to calculate dZ/dt and VET, it is necessary to determine characteristic points B, C and X on the derivative of the bioimpedance curve (Fig. 2) which has become a key bioimpedance signal called ICG. Research later performed by Bernstein and Sramek to improve the precision of determining the ...
CASE STUDY 1 Acute coronary syndrome Patrick Gallagher
... trinitrate (GTN) and opioid analgesia to relieve symptoms of chest pain (Henderson 2010). GTN is a vasodilator and acts to increase blood supply to the heart muscle. Nitrates can also be given via the buccal route (Katzung 2004). When given sublingually, the nurse should continue to assess the patie ...
... trinitrate (GTN) and opioid analgesia to relieve symptoms of chest pain (Henderson 2010). GTN is a vasodilator and acts to increase blood supply to the heart muscle. Nitrates can also be given via the buccal route (Katzung 2004). When given sublingually, the nurse should continue to assess the patie ...
Differential diagnosis
... – Occurs when loss of vessels exceed 60% of the total pulmonary vasculature – Occurs in patients with collagen vascular disease like CREST and scleroderma. And those with chronic emboli ...
... – Occurs when loss of vessels exceed 60% of the total pulmonary vasculature – Occurs in patients with collagen vascular disease like CREST and scleroderma. And those with chronic emboli ...
Cardiac Physiology
... ii. without fluid shifts, CVP falls and C.O. shifts to new intersecting point iii. ↓ CO causes ↑ sympathetic stimulation which ↑ CO on same curve, but further ↓ CVP (no direct change in VR from symp stim of heart) ...
... ii. without fluid shifts, CVP falls and C.O. shifts to new intersecting point iii. ↓ CO causes ↑ sympathetic stimulation which ↑ CO on same curve, but further ↓ CVP (no direct change in VR from symp stim of heart) ...
Heart Failure
... ventricle pumps out just one more drop of blood than the left, with in 3 hours the pulmonary blood volume will have expanded by 500 mL causing Pulmonary edema & Pleural effusion ...
... ventricle pumps out just one more drop of blood than the left, with in 3 hours the pulmonary blood volume will have expanded by 500 mL causing Pulmonary edema & Pleural effusion ...
Measuring cardiac efficiency: is it clinically useful?
... patients with various cardiac diseases, what was the cardiac efficiency of your patient, and how treatment could possibly favorably change the cardiac efficiency of this patient? I, certainly, never considered this consciously, and I doubt that many of us do. Nevertheless, the concept of cardiac eff ...
... patients with various cardiac diseases, what was the cardiac efficiency of your patient, and how treatment could possibly favorably change the cardiac efficiency of this patient? I, certainly, never considered this consciously, and I doubt that many of us do. Nevertheless, the concept of cardiac eff ...
S_Paeme_NCBME2012
... To study heart and cardiac valve dysfunction, cardiologists need information about flow and pressures. Non-invasive information about pressure is actually limited to indices at some specified times based on trans-mitral and pulmonary flows [1]. These data are typically obtained from echocardiographi ...
... To study heart and cardiac valve dysfunction, cardiologists need information about flow and pressures. Non-invasive information about pressure is actually limited to indices at some specified times based on trans-mitral and pulmonary flows [1]. These data are typically obtained from echocardiographi ...
Causes and types
... 5. Dehydration (e g in severe diarrhea) it is due to lass of large amount of Na+ in the urine or feces with the loss of water leading again to hypovolemic shock. ...
... 5. Dehydration (e g in severe diarrhea) it is due to lass of large amount of Na+ in the urine or feces with the loss of water leading again to hypovolemic shock. ...
Mechanical Properties MCQ
... 6- Regarding the afterload in the whole intact heart : a- Is the resistance against which blood is expelled. b- It equals the end systolic pressure c- Approximately equals the aortic pressure. pressure d. All of the above. ...
... 6- Regarding the afterload in the whole intact heart : a- Is the resistance against which blood is expelled. b- It equals the end systolic pressure c- Approximately equals the aortic pressure. pressure d. All of the above. ...
this PDF file - The Southwest Respiratory and Critical
... on beta-blockers if there is no contraindication.4 Patients with idiopathic VT , also known as outflow tract VT or adenosine sensitive VT in which the ECG frequently reveals premature ventricular contractions of outflow tract morphology (QRS axis positive in inferior leads), typically require an abl ...
... on beta-blockers if there is no contraindication.4 Patients with idiopathic VT , also known as outflow tract VT or adenosine sensitive VT in which the ECG frequently reveals premature ventricular contractions of outflow tract morphology (QRS axis positive in inferior leads), typically require an abl ...
Dynamic MRI - Student Oulu
... Respiratory and cardiac motions in dMRI • Today cardiac dMRI is fast enough to be completed while the patient is holding his breath (to avoid motion artefacts) • Gated or ungated, image reconstruction either prospectively or retrospectively • Imaging can be made faster by fractional k-space sampli ...
... Respiratory and cardiac motions in dMRI • Today cardiac dMRI is fast enough to be completed while the patient is holding his breath (to avoid motion artefacts) • Gated or ungated, image reconstruction either prospectively or retrospectively • Imaging can be made faster by fractional k-space sampli ...
P2-10 Real-Time 3D-Echocardiography of the Pediatric Left Ventricle
... Kinderherzzentren e.V. Background: Determining left ventricular (LV) volume and function is essential for therapy and followup in patients with heart disease. Real-time 3D echocardiography (RT3DE) is a promising method for LV assessment, however there is no systematic study comparing the inherent in ...
... Kinderherzzentren e.V. Background: Determining left ventricular (LV) volume and function is essential for therapy and followup in patients with heart disease. Real-time 3D echocardiography (RT3DE) is a promising method for LV assessment, however there is no systematic study comparing the inherent in ...
Lecture`22`–`Heart`Anatomy` ` The Heart • muscular pump • circulates
... circulates blood throughout the body left side pumps oxygenated blood right side receives deoxygenated blood and pumps it to lungs located in the middle of the thoracic cavity (mediastinum) enclosed in the pericardium o two layers (fibrous and serous) o have cavity containing pericardial fluid o sur ...
... circulates blood throughout the body left side pumps oxygenated blood right side receives deoxygenated blood and pumps it to lungs located in the middle of the thoracic cavity (mediastinum) enclosed in the pericardium o two layers (fibrous and serous) o have cavity containing pericardial fluid o sur ...
The Cardiovascular System
... distributor and passes the action potential to the Bundle of His, which, together with the branching Purkinje fibres, spread the excitation throughout the ventricles. • There is a delay of about 0.1 second from the time when the A.V. node receives stimulation, to when it distributes action potential ...
... distributor and passes the action potential to the Bundle of His, which, together with the branching Purkinje fibres, spread the excitation throughout the ventricles. • There is a delay of about 0.1 second from the time when the A.V. node receives stimulation, to when it distributes action potential ...
Cong HD Patho Samia 1 of 2
... Compression of lung parenchyma by enlarged heart and vessels . Pulmonary hypertension . ...
... Compression of lung parenchyma by enlarged heart and vessels . Pulmonary hypertension . ...
Heart B
... systolic volume (ESV) EDV = amount of blood collected in a ventricle during diastole ESV = amount of blood remaining in a ventricle after contraction ...
... systolic volume (ESV) EDV = amount of blood collected in a ventricle during diastole ESV = amount of blood remaining in a ventricle after contraction ...
Cons. System and Cardiac Cycle WS
... b. refers to the short period during ventricular systole when ventricles are completely closed chambers c. occurs only in people with heart valve defects d. occurs immediately after the semilunar valves close ...
... b. refers to the short period during ventricular systole when ventricles are completely closed chambers c. occurs only in people with heart valve defects d. occurs immediately after the semilunar valves close ...
Model Pulmonary Edema
... Treatment of Congestive Heart Failure / Pulmonary edema may vary depending on the underlying cause and may include the following with consultation by Medical Control: MorphineSulfate: 0.1 mg/kg IV / IO. Max single dose 5mg/dose Fentanyl: 1 mcg/kg IV / IO. Max single dose 50 mcg. Nitroglycerin: Dose ...
... Treatment of Congestive Heart Failure / Pulmonary edema may vary depending on the underlying cause and may include the following with consultation by Medical Control: MorphineSulfate: 0.1 mg/kg IV / IO. Max single dose 5mg/dose Fentanyl: 1 mcg/kg IV / IO. Max single dose 50 mcg. Nitroglycerin: Dose ...
Chapter 12
... stroke volume (SV) • The amount of blood pumped each minute is the cardiac output (CO) ...
... stroke volume (SV) • The amount of blood pumped each minute is the cardiac output (CO) ...
Questions on Vascular System
... 4 Blood vessels/arterioles at non-essential organs constrict/vasoconstriction 5 Pre capillary sphincters/capillaries constrict at organs 6 Decreases blood viscosity 7 Blood transports heat to be released at skin/increased temperature 8 Increased hormonal/nutrient/enzyme transport/activity 9 Increase ...
... 4 Blood vessels/arterioles at non-essential organs constrict/vasoconstriction 5 Pre capillary sphincters/capillaries constrict at organs 6 Decreases blood viscosity 7 Blood transports heat to be released at skin/increased temperature 8 Increased hormonal/nutrient/enzyme transport/activity 9 Increase ...
The Future of Minimally Invasive Cardiac Surgery
... treatment strategy, research doesn’t demonstrate any significant survival advantage for patients having OPCAB in comparison with conventional CABG. However, one of the primary goals of OPCAB is to decrease the morbidity of CABG by less invasive and traumatic techniques. OPCAB surgery differs from tr ...
... treatment strategy, research doesn’t demonstrate any significant survival advantage for patients having OPCAB in comparison with conventional CABG. However, one of the primary goals of OPCAB is to decrease the morbidity of CABG by less invasive and traumatic techniques. OPCAB surgery differs from tr ...
PhysioEx cH 5-6
... pushing the blood forward into the arteries. The vessels throughout the body are like the street and the hill, providing resistance to the movement of the blood. As blood is pumped out of the left ventricle into the arteries, pressure is generated. The mean arterial pressure (MAP) is determined by t ...
... pushing the blood forward into the arteries. The vessels throughout the body are like the street and the hill, providing resistance to the movement of the blood. As blood is pumped out of the left ventricle into the arteries, pressure is generated. The mean arterial pressure (MAP) is determined by t ...