Biostats & biochem Flashcards
(196 cards)
If patient want to know chances of not/having some disease= _/_ which varies _/_with pretest probability( AKA _) Sensitivity/specificity are _ values of test. PPV & NPV is affected via _
If patient want to know chances of not/having some disease= NPV/PPV NPV/PPV varies inversely/directly with pretest probability( prevalence) Sensitivity/specificity are intrinsic values of test and don’t PPV & NPV is affected via prevalence.
Aflutter: _ pattern on ECG; target _ isthmus for radioablation cause where reentrant loop is at
Aflutter: sawtooth pattern on ECG; target cavotricuspid isthmus for radioablation cause where reentrant loop is at
WPW is _ wave on ECG and bypass at _ node; findings on ECG
WPW is delta wave and bypass at AV node; findings on ECG
Idiopathic ventricular tachycardia usually from _ ventricular outflow
Idiopathic ventricular tachycardia usually from right ventricular outflow
Afib from pulmonary vein; no _ waves on ECG
Afib from pulmonary vein; no p waves; on ECG
AV nodal reentrant tachy cardia: _ & _ pathway @ AV node ; on ECG _ QRS + _ p waves. ; target _ pathway for ablation
AV nodal reentrant tachy cardia: slow & fast pathway @ AV node ; on ECG narrow QRS + retrograde p waves. ; target slow pathway for ablation
RT-PCR acts on _ to make DNA
RT-PCR acts on mRNA to make DNA( while normal PCR acts on DNA to make DNA)
INH resistance via 2
INH resistance via low catalase-peroxidase or altering binding site on mycolic acid synthesis enzyme.
_ (ethyl the cowgirl) inhibits arabinosyl transferase
Ethambutol(ethyl the cowgirl) inhibits arabinosyl transferase
_ must be converted to active form by bacterial pyrazinamidase
Pyrazinamide must be converted to active form by bacterial pyrazinamidase
TCA overdose: prolong QRS, ventricular arrhythmias and anticholinergics uses _ as antidote.
TCA overdose: prolong QRS, ventricular arrhythmias and anticholinergics uses sodium bicarb as antidote
_ treats acetaminophen overdose
N-acetycystein treats acetaminophen overdose
Benzodiapzepine over dose _ depression
Benzodiapzepine over dose CNS depression
Hypokalemia can cause severe muscle _ and cardiac arrhythmias
Hypokalemia can cause sever muscle weakness and cardiac arrhythmias
Babesia vrs Malaria: _/ _ rings within rbc
Babesia vrs Malaria: maltese-cross(4) rings/ multiple rings(trophozoites) within rbc
Primaquine required for P. _ + _ since liver hypnozoites( not needed for falciparum)
Primaquine required for P. vivax + ovale since liver hypnozoites( not needed for falciparum)
Atovaquone-proguanil or artemisins for P._ in Africa(S. America + asia) since cloroquine resistant
Atovaquone-proguanil or artemisins for P. falciparum in Africa(S. America + asia) since cloroquine resistant
Treat mycoplasma with _
Treat mycoplasma with macrolides
Pneumocystis pneumonia presents?
Pneumocystis pneumonia presents with interstitial pneumonia in AIDS
Wallenberg syndrome presents?
Wallenberg syndrome presents with PICA( loss pain & temp in ipsi/contra face/body, nystagmus/vertigo, ipsi horner) can occur with vertebral dissection.
SIADH have _volemia hyponatremia
SIADH have euvolemia hyponatremia
Linkage disequilibrium? occurs when
Linkage disequilibrium: heritance allec frequencies more or less often than expected; occurs when genes in close physical proximity
Pleitrophy?
Pleitrophy: one gene with multiple phenotypic manifesttions
Heteroplasmy?
Heteroplasmy is mociasm of mitochondrial genomes