General A-EMCA Flashcards
- Broca is production of?
2. Wernicke’s is?
- Speech
2. Understanding Speech
- This is the main autonomic regulation center for smooth muscle, cardiac muscle, and endocrine muscle
- Concerned with POSTURE and fine muscle control
- Hypothalamus
2. Cerebellum
- Brainstem 3 sections are?
2. This is located in the medulla oblongata if it is disturbed can cause a concussion
- Pons, Midbrain and Medulla Oblongata
2. RAS, Reticular Activating System
- 3 layers of the meninges from outer to inner
2. Where is CSF located?
- Dura, Arachnoid and Pia
2. Between ventricles and subarachnoid space, acts as a cushion to protect brain and spinal cord tissue
- CSF otorrhea, periorbital ecchymosis, battle signs (late signs) S+S of what injury?
- Concussions and contusions are considered primary or secondary injuries?
- Basilar Skull Fracture
2. Primary
- An epidural bleed is associated with what artery being injured?
- __,___ and __ (spinal cords) keeps you alive, injuries above these spinal cords will cause innervation of the diaphragm to be ceased → respiratory arrest
- Middle meningeal artery (most common to head trauma in subarachnoid hemorrhage) (MMA)
- C3 C4 C5
- _____ occurs when the blood vessels that carry oxygen and nutrients from your heart to the rest of your body (arteries) become thick and stiff
- ____ is a specific type of arteriosclerosis, but the terms are sometimes used interchangeably. Atherosclerosis refers to the buildup of fats, cholesterol and other substances in and on your artery walls (plaque), which can restrict blood flow.The plaque can burst, triggering a blood clot.
- Arteriosclerosis. Healthy arteries are flexible and elastic, but over time, the walls in your arteries can harden, a condition commonly called hardening of the arteries.
- Atherosclerosis
- Cardiac Output formula?
- What is the right valve called? Left?
- Preload determines how much CO will be, so greater the diastolic filling +(filling of heart at rest of valve) (systolic=contraction) what law is this?
- SV X HR (CO = perload)
- Right = tricuspid valve, Left = bicuspid/mitral valve
- Frank Starling law of the heart
Name the following Hepatitis
- Related to pregnancy and + fecal oral transmission
- Can only propagate with patients who have B
- Fecal oral transmission
- Exposure to infected blood and body fluids
- blood to blood contact (IV drug use and poorly sterilized drug use)
- E
- D
- A
- B
- C
What part of the brain has control over the vasomotor tone (vascular tone)
Brainstem
- What are common causes of pancreatitis? (GB + AA)
- If they can’t breath in they can have cholecystitis (inflammation of gallbladder). 4fs (fatty diet, fair, female, febrile) are most common with this sign.
- Gallstone blockage and alcohol abuse
2. Murphy’s sign
- What the the posterior pituitary gland secrete?
- What medication is given for hypothyroidism?
- What is the main product of glucocorticoids?
- Mineralocorticoids = ?
- Which gland releases melatonin for sleep?
- ADH, oxytocin
- Levothyroxine, synthroid = brand name
- Cortisol
- Sodium and water balance in body,
- Pineal gland
- Which cells secrete insulin?
2 What is the mechanism of glucagon?
- Why do we not give glucagon to someone with pheochromocytoma?
- What is the main difference between HNNK and DKA? (diabetic ketoacidosis and hyperosmolar hyperglycemic state)
- Beta cells
- Stimulates the conversion of glycogen to glucose which is then released into the blood
- Pheochromocytoma may cause release of catecholamine from the tumor producing HTN, tachycardia and possible stroke
- Main difference between hnnk and dka is there is no abdo pain in hnnk patient. hnnk pts can still produce some insulin so not burning off so much fat that the will produce kussmaul breathing.
- Gravids is and para is?
- What is the compression to ventilation ratio for neonate?
- What is the formula for hypo-tension for pediatrics ?
- What age is the limit for NPA regarding pediatrics?
- What condition presents with high grade fever, swelling of throat and drooling. Rapid transport and seated upright
- Gravida = pregnancies while para is parents = how many children from those pregnancies
- 3 compression to 1 ventilation
- 70+ (age x 2)
- less than 5 y/o don’t NPA
- Epiglottitis
- What do inotropic drugs do?
- Are dopamine, epinephrine and amiodarone positive or negative inotropic drugs?
- Is labetalol a negative or positive inotropic drug?
- Affect force of contraction
- Positive
- Negative
- What do chronotropic drugs do?
- Name 3 examples of positive chronotropic drugs (A, E, T)
- Name 3 negative ones (D, M, A)
- Affect rate of cardiac circulation
- Atropine, throphyline and epi
- Digoxin, metoprolol and acteocholyine
- ____ is defined as occurring most days for at least three months in a year for two consecutive years.
- Why do we see muscle cramps in hyperthermia?
- ____ is rapidly shown after diver exits water, ____ ____ takes longer (Henry’s law applies to decompression sickness)
- Chronic
- We are losing sodium through sweat which our muscle needs
- AGS, decompression sickness
- What is the weight limit for the stair chair?
- KED?
- Scoop?
- 500 Ib
- 500Ib
- 350Ib
- Leeds II, III and aVF will see depression in which leeds?
- V1-V6 should see depression in which leeds?
- What can dextrose do to cell?
- V1-V6
- II, II and aVF (inferior leeds)
- Can cause necrosis
Does lower or higher blood pH increase affinity for 02 to hemoglobin?
Lower blood pH increases oxygen’s affinity for haemoglobin
The___ _____and ___ ____ are anatomical features of a mature fetus which bypass the pulmonary circuit and the _____ ________ bypsses the liver
ductus arteriosus , foramen ovale, ductus venosus
What is the lethal triad of trauma?
Hypothermia, coagulopathy and acidosis
- ___ can be used to reduce the effect of the poisoning by blocking muscarinic acetylcholine receptors, which would otherwise be overstimulated, by excessive acetylcholine accumulation (cholinergic crisis)
Atropine (anticholinergic)
This organ contains a reserve of blood, processes iron, acts as a lymph node, and metabolizes hemoglobin to bilirubin
Spleen
- Name 2 examples of anticoagulants
2. Name an antiplatelet
- Heparin and warfarin (Coumadin is warfrain brand name)
2. Aspirin
- What is the triad for pre-eclampsia?
- What is Becks triad?
- What does Cushings triad of?
- Proteinuria, HTN and peripheral edema *2nd or 3rd trimester)
- For cardiac tamponade = Muffeled heart sounds, hypotension and JVD
- HTN, bradycardia, irregular respirations (usually trauma to the head) cheyne stokes respirations
- Which disease is from producing too little cortisol from the adrenal glands?
- How about too much cortisol?
- Addison’s disease
2. Cushing’s syndrome
Commotio cordis typically results from __________ (BFT) and can possibly lead to the lethal
arrhythmia known as __________ resulting from __________ phenomenon.
Blunt force trauma, torsades de pointes, R on T phenomenon
What are the three ossicles responsible for our sense of hearing? (I, M, S)
Incus, malleus, stapes
- What is the most common intracellular cation
- What is the most popular intracellular anion?
- Cation is positive or negative?
- Potassium
- Phosphate
- Positive
A lateral MI usually indicates an occlusion of which blood vessels
Left cirumflex artery
- What is Daltons Law?
- What is Boyle’s Law?
- What is Henry’s Law?
- Which one applies to diving injuries?
- In a mixture of non-reacting gases, the total pressure exerted is equal to the sum of the partial pressures of the individual gases.
- Pressure of a gas tends to increase as the volume of the container decreases.
- The solubility of a gas in a liquid is directly proportional to the partial pressure of the gas above the liquid
- Dalton’s law
The body’s centre for temperature regulation is located where?
Hypothalamus
Rank haemoglobin’s affinity for these gasses from highest to lowest. O2, CO2 and carbon moxodie
- Carbon monoxide, CO2 then O2
A patient presenting with Beck’s triad (pericardial tamponade) could be classified into what type of shock
Obstructive Shock
What does Cushing’s Triad indicate?
Cerebral Herniation
A substance which has an effect on the heart’s rate is termed a?
Chronotrope
Digoxins is aka? and is it chrono dromo or inotrope?
- AKA digitalis elps an injured or weakened heart pump more efficiently. Inotrope
Which nerve is responsible for innervation of the diaphragm?
Phrenic Nerve
An adult patient receiving IV fluid therapy should be reassessed for signs and symptoms of fluid overload how often?
Every 250 ml
Diarrhoea Urination Miosis/muscle weakness Bronchorrhea Bradycardia Emesis Lacrimation Salivation/sweating All of these are signs and symptoms of what overdose?
Cholinergic overdose. Dumbbells, Atropine is treatment
You see the crowning of the baby’s buttocks at the vaginal opening. What position is this called?
Frank Breech
What is the mechanism of epi in regards to relief of bronchoconstriction?
Stimulation of the β2-adrenergic receptors. allowing smooth muscle relaxation of the bronchial tree
What is the mechanism for Salbutamol with regards to relief of bronchoconstriction?
Relaxes bronchial smooth muscle by action on β2-receptors
According to the Highway Traffic Act, what is the maximum speed above the speed limit
and Ambulance may travel when responding to an emergency call?
No Listed Maximum. the 20KM/H rule is by paramedic services not by the traffic act.
Contraindication for traction splint is ___fracture
Pelvic
Sciatica: is severe pain along the course of the sciatic nerve, usually felt at the back of the thigh and running down the leg
What are common causes? (DH, IT)
Disk Herniation and intraspinal tumor
___ SHOCK: Patient BP drops because brain signals to control the body are interrupted. Vasoconstriction is limited particularly below level of injury and therefore the lack of sympathetic tone causes veins and arteries to dilate. As they dilate they enlarge the body’s bucket size (vascular scope), causing hypovolemia
Neurogenic Shock
How do you define a flail chest?
three or more adjacent ribs are fractured in two or more places (can present with paradoxical chest wall movement)
An exaggerated fall in systolic BP during inspiration; may occur during acute asthma exacerbation is known as this
Pulsus Paradoxus
Aortic dissection vs aortic aneurysm: aortic dissection is the degradation of the wall of the aorta, while an aortic aneurysm is a rupture of the aorta itself
Some symptoms of AA: chest pain (tearing or ripping), back pain, feeling of fullness without having eaten a large amount, pulsating mass or strong pulse in abdomen, diaphoresis, dizziness, and others.
Tetralogy of Fallot name all 4 defects
Ventricular septal defect (VSD), pulmonary valve stenosis, a misplaced aorta and a thickened right ventricular wall (right ventricular hypertrophy)
- Dimenhydrinate and diphenhydramine is a antihistamine __ antagonist
- Sartan drugs are ____ receptor blockers → treat high BP
- H1
2. Angiotensin II
- ANP where is it produced?
2. Funtions?
- Atria of the heart
2. To regulate BP by promoting the excretion water and sodium by activity of the kidney –> lower BP
- ADH produced where?
- Function?
- Also known as?
- Produced in the hypothalamus but released by the posterior pituitary gland
- Promote water re-absorption via kidneys to increase BP
- Vasopressin
Pantoprazole (Protonix) treats what?
Stomach Ulcers and GERD (gastroesophageal reflux disease)
Put the following in order of the three branches of the aorta once it exits the heart, from patients right to left.
Left common carotid, Braciocephlic trunk , left subclavian
Brachiocephalic Trunk, Left Common carotid and left subclavian
According to the ambulance act, what is the minimum amount of time that an ACR must be maintained in records?
7 years
What is the maximum speed allowed over the posted speed limit as per the Highway traffic act?
No specific limit. the 20 km/h rule is set by TPS not the highway act.