🚨 Think all T-wave changes look the same? Think again! 📈
Peaked T waves? Think hyperkalemia. Broad, bulky T waves? Don’t miss early MI!
We’ve put together a simple visual guide to help you spot the differences
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Consider diagnosing CFS if three met:
Severe chronic fatigue lasting ≥6 consecutive months, not due to exertion or other conditions (after diagnostic tests)
Fatigue disrupts daily activities & work
4+ of these symptoms:
Postexertion malaise >24 hrs
Unrefreshing sleep
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A - Alagille Syndrome
B - Beckwith-Wiedemann Syndrome
C - CHARGE Syndrome
D - Down Syndrome
D - DiGeorge Syndrome
E - Edwards Syndrome
F - Fetal Alcohol Syndrome
M - Marfan Syndrome
N - Noonan Syndrome
4/ Advanced stages show:
Anisocytosis
Poikilocytosis like pencil or cigar cells
5/ Bone marrow biopsy is rarely needed; if done, it shows absent iron in precursors (Prussian blue stain). Platelet counts may rise but stay under 800K/mcL.
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1/ Iron deficiency develops in 3 stages:
Stage 1: Depletion of iron stores, no anemia.
Stage 2: Anemia with normal RBC size (MCV).
Stage 3: Anemia with reduced RBC size (low MCV).
3/ As iron deficiency progresses:
Serum iron drops <30 mcg/dL.
Transferrin increases, but saturation falls <15%.
Microcytosis (small RBCs) and hypochromia (pale RBCs) appear.
A Acute pericarditis
B. Aortic dissection
C. Papillary muscle rupture
D. Pericardia! effusion
E. Pulmonary infarction
F. Recurrent ischemia
G. Right ventricular infarction
H. Ventricular aneurysm
I. Ventricular free wall rupture
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Examination:Temperature: 36.6°C (97.8°F)Blood pressure: 100/67 mm HgPulse: 67/min, regularBilateral crackles in lower lung fields,Displaced apical impulse to the left & Faint systolic murmur over the apex
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ECG: Normal sinus rhythm, deep Q waves in leads I, aVL, and V2-V5, 2-mm ST-segment elevation unchanged from 2 months ago
What is the most likely underlying cause of this patient's symptoms?
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History:60-year-old man2 weeks of progressive exertional dyspnea and fatigueDifficulty sleeping, severe shortness of breath with minimal activityNo chest pain, syncope, cough, or extremity edemaPrevious anterior wall myocardial infarction 2 months ago, no revascularization
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