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Kickass cardio

cardiology

QuestionAnswer
what results in 80-90% mortality rate even with the best care possible cardiogenic shock
what drug is contraindicated in the treatment of cardiogenic shock Inderal (propranolol)
the amount of blood ejected by the heart in one cardiac contraction is known as ejection fraction
the pressure in the ventricle at the end of diastole is known as preload
what is the equation for blood pressure SV x HR x SVR
During ventricular systole which valves open aortic
the electrical pathway 1,SA 2.inter nodal pathways 3.AV 4.bundle of HIS 5. bundle branches 6. purkinje fibers
The sympathetic receptors that are located in the blood vessels and responsible for vasoconstriction alpha 1 receptors
the cardiac contractile force is called inotropy
the heart sound heard by closure of the AV valves is S1
a junctional escape rhythm originates from the AV node when the SA node is firing at a slower rate than the AV
an infarction that involves the entire thickness of the myocardium transmural
What rhythm requires trans cutaneous pacing 3rd degree AV block
the time an impulse takes to travel from the atria to the ventricles is known as PR interval
a normal QRS lasts 0.04-0.12 secs
the absolute refractory period is from the beginning of the QRS to the apex of the T wave
to perform standard TCP, set the demand rate to 60-80 bpm
V-fib can 1.mimic artifact on the monitor 2.may produce a peripheral pulse 3. should be treated with early defibbrilation
when initiating TCP in a pulsing patient you should begin with the mA output set at the minnimum setting 0
Hypokalemia treatment transport
treatment for RT sided heart failure fluids
Hyperkalemia treatment calcium chloride/sodium bicarb/insulin and glucose
A goal to treat left ventricular failure is to decrease myocardial oxygen demand
this disease leads to: organ engorgement,venous distention,pitting edema,ascites and or pericardial tamponade right ventricular heart failure
which arrythmia is commonly associated with sudden death V-fib
a sound produced by the body to protect the lungs during LVHF Wheezing
BP on the left arm and hard to read on the right, patient is suffering from a dissecting ascending aorta
sharp tearing pain between the scapula, patient is suffering from dissecting aneurysm
pain comes on suddenly and is 10 from onset aneurysm
pain usually lasts 3-5 mins but can last up to 15 mins stable angina
pain may come on gradually and build with intensity over the time with resulting irreversable tissue death myocardial infarction
pain is usually found in the lower back or flank region it can radiate to the thigh, groin and perineum aneurysm
pain usually comes on at rest it can be relieved over time by O2 rest and nitro unstable angina
the greater the venous return, the greater the preload, the greater the force of contraction and the greater the stroke volume is describing what Starlings law
Atrial systole force is determined by preload and stretch of ventricles
LVHF signs and symptoms resp distress,apprehension,cyanosis,diaphoresis,resp acidosis,rales,rhonchi,wheezing,JVD,altered,HTN,CP,tachy/irregular,tachyapnea
Cor pulmonale HTN in the lungs which causes right ventricular hypertrophy
the cell is negative on the inside compared to the outside resting potential (polarization)
K+ movement out of the cell starts this phase repolarization
This phase is responcible for muscle contraction action potential (depolarization)
cell is considered the most positive on the inside compared to the outside action potential (depolarization)
small box represents 0.04 sec
a large box represents 0.20sec
Created by: rebeccabelleth