Maxemo EMREE 26-27
A patient presents with fever and cough. CXR demonstrates a dense opacity in the right lower zone that obscures the right heart border. What is the primary radiographic abnormality?
💡 EXPLANATION:
The finding of an opacity obscuring the heart border (positive Silhouette sign) is characteristic of lobar consolidation (pneumonia). This represents alveolar filling with fluid/pus. Pleural effusions typically show a meniscus, while pneumothorax appears hyperlucent.
A 32y F non-smoker presents with recurrent spontaneous pneumothorax. HRCT chest reveals diffuse, uniformly distributed thin-walled cysts. What is the most likely diagnosis?
Anonymous Quiz
33%
Pulmonary Langerhans cell histiocytosis
50%
Lymphangioleiomyomatosis
11%
Birt-Hogg-Dubé syndrome
6%
Lymphoid interstitial pneumonia
Maxemo EMREE 26-27
A 32y F non-smoker presents with recurrent spontaneous pneumothorax. HRCT chest reveals diffuse, uniformly distributed thin-walled cysts. What is the most likely diagnosis?
💡 EXPLANATION:
Lymphangioleiomyomatosis (LAM) affects women of childbearing age, presenting with recurrent pneumothorax and diffuse thin-walled cysts on HRCT. PLCH is associated with smoking and irregular cysts. Birt-Hogg-Dubé cysts are typically basal/subpleural.
A 45M with a devastating anoxic brain injury is evaluated for brain death. He has no cranial nerve reflexes and is apneic. His leg flexes slightly when his foot is stimulated. What is the most likely explanation for his leg movement?
Anonymous Quiz
17%
Incomplete Brainstem Death
8%
Malingering
67%
Spinal Reflex
8%
Locked-in Syndrome
Maxemo EMREE 26-27
A 45M with a devastating anoxic brain injury is evaluated for brain death. He has no cranial nerve reflexes and is apneic. His leg flexes slightly when his foot is stimulated. What is the most likely explanation for his leg movement?
💡 EXPLANATION:
Spinal reflexes (like the triple flexion reflex) are mediated by the spinal cord and can persist even with complete and irreversible loss of all brain and brainstem function. Their presence does not preclude the diagnosis of brain death.
❤1
What is the classic clinical triad for Susac syndrome?
Anonymous Quiz
22%
Encephalopathy, branch retinal artery occlusion, sensorineural hearing loss
44%
Nystagmus, intention tremor, scanning speech
0%
Hypertension, bradycardia, irregular respirations
33%
Hypotension, muffled heart sounds, jugular venous distention
Maxemo EMREE 26-27
What is the classic clinical triad for Susac syndrome?
💡 EXPLANATION:
Susac syndrome is a rare autoimmune endotheliopathy affecting the microvasculature of the brain, retina, and cochlea. Think of it as a triad of tiny vessel trouble hitting the head, eyes, and ears.
❤1
A 38-year-old female, one week post-thyroidectomy, presents with perioral tingling, carpopedal spasm, and respiratory stridor. Vitals are stable. What is the most appropriate initial step in management?
Anonymous Quiz
20%
Administer oral calcium and calcitriol
50%
Administer IV calcium gluconate
30%
Measure parathyroid hormone (PTH) level
0%
Administer IV magnesium sulfate
Maxemo EMREE 26-27
A 38-year-old female, one week post-thyroidectomy, presents with perioral tingling, carpopedal spasm, and respiratory stridor. Vitals are stable. What is the most appropriate initial step in management?
💡 EXPLANATION:
This patient presents with signs of severe, symptomatic hypocalcemia (Chvosteks and Trousseaus signs, stridor) following thyroid surgery. Stridor indicates laryngospasm, a medical emergency. The priority is to stabilize the patient with IV calcium gluconate.
Charcots triad (fever, jaundice, RUQ pain) is indicative of which condition?
Anonymous Quiz
50%
Acute Cholecystitis
42%
Acute Cholangitis
0%
Acute Pancreatitis
8%
Choledocholithiasis
Maxemo EMREE 26-27
Charcots triad (fever, jaundice, RUQ pain) is indicative of which condition?
💡 EXPLANATION:
Charcots triad points to Acute Cholangitis, which is an infection of the bile duct, often due to obstruction. Remember the triad as F-J-P: Fever, Jaundice, Pain (RUQ).
What is the primary mechanism of action of Diltiazem?
Anonymous Quiz
13%
Inhibition of the angiotensin-converting enzyme (ACE)
50%
Blockade of L-type calcium channels
13%
Competitive antagonism of beta-1 adrenergic receptors
25%
Inhibition of the Na-Cl cotransporter in the distal convoluted tubule
Maxemo EMREE 26-27
What is the primary mechanism of action of Diltiazem?
💡 EXPLANATION:
Diltiazem is a non-dihydropyridine calcium channel blocker. It works by blocking L-type calcium channels in vascular smooth muscle and the heart, leading to vasodilation and a reduction in heart rate.
A 60M with BPH has N/V. Labs: Na 145, BUN 45, Cr 2.0, Urine Na 10, Urine Cr 80. These lab values are most consistent with which diagnosis?
Anonymous Quiz
60%
Prerenal acute kidney injury
0%
Intrinsic acute kidney injury
40%
Postrenal acute kidney injury
0%
Chronic kidney disease
Maxemo EMREE 26-27
A 60M with BPH has N/V. Labs: Na 145, BUN 45, Cr 2.0, Urine Na 10, Urine Cr 80. These lab values are most consistent with which diagnosis?
💡 EXPLANATION:
Early postrenal obstruction increases tubular pressure, enhancing sodium and urea reabsorption, which mimics a prerenal picture (BUN:Cr >20, FeNa <1%). However, the history of BPH strongly suggests postrenal AKI.
The underlying pathophysiology of Osteoarthritis involves:
Anonymous Quiz
33%
Autoimmune-mediated inflammation of the synovial membrane with pannus formation.
67%
Progressive degradation of articular cartilage by matrix metalloproteinases.
0%
Deposition of monosodium urate crystals triggering an intense inflammatory response.
0%
T-cell mediated inflammation driven by the IL-23/IL-17 axis.
Maxemo EMREE 26-27
The underlying pathophysiology of Osteoarthritis involves:
💡 EXPLANATION:
Osteoarthritis is a degenerative wear-and-tear disease. Its core mechanism is the breakdown of articular cartilage by enzymes like matrix metalloproteinases (MMPs), leading to pain and reduced joint function.
What is the recommended first-line treatment for a bloodstream infection caused by Vancomycin-Resistant Enterococcus (VRE)?
Anonymous Quiz
20%
Vancomycin
40%
Daptomycin
20%
Linezolid
20%
Ceftaroline
Maxemo EMREE 26-27
What is the recommended first-line treatment for a bloodstream infection caused by Vancomycin-Resistant Enterococcus (VRE)?
💡 EXPLANATION:
Linezolid is the recommended first-line treatment for most serious VRE infections, including bacteremia. Daptomycin is an alternative. Vancomycin is ineffective due to resistance.
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🔬 Today's Test: ORTHOPAEDICS
👉 https://app.maxemo.app/s/dft-emree
Yesterday's Ranks🏆
HEMATOLOGY
1. Mohammed Aramin
2. Reyansh Malhotra
3. Silverlin
4. Samyak99
5. Rizwan H
6. Dr.shymaa
7. Samer
8. Samira
9. Rahul_md
10. Piyush Patel
⏳ Test Ends at 07:00 PM
Join channel 👇
https://t.me/studywithmaxemoemree