Most common ... Flashcards
most common cause of AS
bicuspid valve
calcification
(other: rheumatic, IE)
most common cause of MS in US vs developing countries
US: endocarditis, calcification
dev: rheumatic fever
most MIs occur when (intraop or post op)
< 48 hours post op
HTN prevalence in US
30%
only 1/3 realize they have it
95% HTN is (primary or secondary)
primary (unknown cause)
most common cause of acute pericarditis
viral
preferred anesthesia technique for pericardiocentesis
local anesthesia
most common autosomal dominant cardiovascular disease and most common cause of sudden cardiac death in young athletes
obstructive hypertrophic cardiomyopathy, HOCM, asymmetric septal hypertrophy, idiopathic subaortic stenosis
best treatment for stent thrombosis
PCI
most common awareness time during CABG
- sternotomy (most)
2. rewarming
most common complications of IABP
vascular injury
infection
thrombocytopenia
most common cause of death in LVAD pt
sepsis/infection
most common classification system used for AAA/TAA
Crawford
most difficult Crawford stage to repair
2 and 3
Crawford associated with most significant periop risk (paraplegia, renal failure post op)
Crawford 2
most common cause of postop death in AAA rupture
MI
most common cause of stroke post carotid
emboli
most common complication of carotid angioplasty stenting
thromboembolic stroke (tx: TPA)
most common cause of death in tumescent anesthesia
PE
most common cause of periop allergic reaction
most to least (SAC-RV)
- succs
- atric
- cisatric
- roc
- vec
most delicate part of the anesthesia machine
flowmeters - made of glass
most common site of circuit disconnect (1st and 2nd)
- y-piece
2. CO2 canister
most common cause of vaporizer leak
loose filler cap
most common LOCATION (not cause) for leak to occur in low pressure
internal leak
most unstable halogenated anesthetic in presence of soda lime
sevo
most common source of preventable equipment related complications
circuit disconnection
most critical component of scavenger
Interface
- remove too much (too much negative pressure)
- remove too little (barotrauma)
main 2 factors that determine rate of passive diffusion
lipid solubility
conc gradient
the principle transport protein involved in the movement of drugs across biologic membranes (Nagelhout chart)
P-glycoproteins
most common complication while obtaining central line
dysrhythmia
most common cause of tachyarrhythmias
re-entry pathways
most common pre-excitation syndrome
WPW
most common tachydysrhythmia associated with WPW
AV nodal re-entry tachycardia (AVNRT - can be orthodromic or antidromic)
most common and very flexible pacing mode
DDD
greatest risk of electromagnetic interference (EMI) on pacemaker function
electrocautery (coagulation > cutting; mono > bipolar or ultrasonic harmonic scalpel) and radiofrequency ablation
most common site of brain herniation
transtentoral at temporal UNCUS
most important risk factor for ischemic stroke
HTN
most common cause of SAH
aneurysm rupture
most significant source of morbidity and mortality in patient with SAH
cerebral vasospasm
4-9 days post SAH
most common eye complication
corneal abrasion
most common cause of vision loss
ION
adamkiewicz most commonly originates from
T11-12 (left side)
most common site of SCI
C7
major causes of morbidity and mortality post cervical/upper thoracic SCI lesions
- ineffective alveolar ventilation
2. inability to clear secretions