Uworld Pass 2 Flashcards
(500 cards)
ECG signs of hyperkalemia? Treatment?
Peaked t waves, PR prolongation and QRS widening, sine wave pattern
Treatment: Calcium infusion, (stabilize the cardiac myocyte)
Infectious mononucleosis complications?
autoimmune hemolytic anemia and thrombocytopenia due to cross-reactivity of EBV induced antibodies against RBCs and platelets
Fever, headache, increased intracranial pressure in HIV patient? CD4+ count? Exposure risk?
Cryptococcal meningitis
CD4+ < 100
Exposure: invasive fungal infection acquired by the inhalation of spores
Treatment for condylomata acuminata?
Trichloroacetic acid, podophyllin resin
systolic murmur over the left sternal border that increases with inspiration
Tricuspid regurgitation
Cause of the s4 heart sound?
Chronic HTN
Fractional excretion of sodium in prerenal acute kdiney injury?
<1%
If a child has more than 3 episodes of acute otitis media in 6 months, or 4 in 12 months, what actions should be considered?
myringotomy with tympanostomy tube placement
What areas produce AFP?
Fetal yolk sac, liver, GI tract
Diagnostic test for restrictive pericarditis?
Echo
TTP cause? Treatment?
Cause: uncleaved vWF multimers 0< platelet trapping and activation
Tx: plasma exchange
Role of B12 in cell metabolism?
involved in DNA synthesis
deficiency -> defective DNA synthesis -> megaloblastic anemia
Stridor with inspiration and expiration that imrpves with neck extension?
Vascular ring
Biofeedback purpose
Control over physiological reactions
Thalamus blood supple?
Posterior cerebral artery via the thalamogeniculate branches
Adenosine uses?
paroxysmal supraventricular tachycardia
Signs of pheochromocytoma?
History of HTN, frequent headaches, severe increase after induction in BO
uremic pericarditis?
BUN > 60, pericardial driction rub, sharp and pleuritic chest pain
Signs of Pons infarct
Deep coma, total paralysis withinin minutes, pinpoint reactive pupils
Active marijuana use in breas feeding causes?
decreased muscle tone, poor suckling, desation
Long-term - delayed motor development at 1 year
Middle medullary syndrome
branch occlusion of thee vertebral and/or anterior spinal artery
contralateral paralysis of the arm and let, contralateral loss of position sense, tongue deviation
Findings in benign nephrosclerosis? Causes?
arteriosclerotic lesions of afferent and efferent renal arterioles, glomerular capillary tufts
Cause: HTN
Target cells
Alpha or beta thalassemia with hypochromic, microcytic RBCs with abnormal morphology
Neotrophilic pleocytosis
bacterial CNS infections
